724918761

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 1378713600

約数和(自身を除く): 653794839

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 57, 63, 67, 69, 131, 133, 161, 171, 189, 201, 207, 393, 399, 437, 469, 483, 513, 603, 621, 917, 1179, 1197, 1273, 1311, 1407, 1449, 1541, 1809, 2489, 2751, 3013, 3059, 3537, 3591, 3819, 3933, 4221, 4347, 4623, 7467, 8253, 8777, 8911, 9039, 9177, 10787, 11457, 11799, 12663, 13869, 17423, 21091, 22401, 24759, 26331, 26733, 27117, 27531, 29279, 32361, 34371, 41607, 52269, 57247, 61439, 63273, 67203, 78993, 80199, 81351, 82593, 87837, 97083, 156807, 166763, 171741, 184317, 189819, 201871, 204953, 236979, 240597, 263511, 291249, 400729, 470421, 500289, 515223, 552951, 569457, 605613, 614859, 790533, 1167341, 1202187, 1413097, 1500867, 1545669, 1658853, 1816839, 1844577, 3502023, 3606561, 3835549, 4239291, 4502601, 5450517, 5533731, 10506069, 10819683, 11506647, 12717873, 26848843, 31518207, 34519941, 38153619, 80546529, 103559823, 241639587, 724918761]

約数ペア:

[(1, 724918761), (3, 241639587), (7, 103559823), (9, 80546529), (19, 38153619), (21, 34519941), (23, 31518207), (27, 26848843), (57, 12717873), (63, 11506647), (67, 10819683), (69, 10506069), (131, 5533731), (133, 5450517), (161, 4502601), (171, 4239291), (189, 3835549), (201, 3606561), (207, 3502023), (393, 1844577), (399, 1816839), (437, 1658853), (469, 1545669), (483, 1500867), (513, 1413097), (603, 1202187), (621, 1167341), (917, 790533), (1179, 614859), (1197, 605613), (1273, 569457), (1311, 552951), (1407, 515223), (1449, 500289), (1541, 470421), (1809, 400729), (2489, 291249), (2751, 263511), (3013, 240597), (3059, 236979), (3537, 204953), (3591, 201871), (3819, 189819), (3933, 184317), (4221, 171741), (4347, 166763), (4623, 156807), (7467, 97083), (8253, 87837), (8777, 82593), (8911, 81351), (9039, 80199), (9177, 78993), (10787, 67203), (11457, 63273), (11799, 61439), (12663, 57247), (13869, 52269), (17423, 41607), (21091, 34371), (22401, 32361), (24759, 29279), (26331, 27531), (26733, 27117)]