247741119

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 419143680

約数和(自身を除く): 171402561

約数列:

[1, 3, 9, 17, 23, 27, 31, 51, 69, 93, 153, 207, 279, 391, 459, 527, 621, 713, 757, 837, 1173, 1581, 2139, 2271, 3519, 4743, 6417, 6813, 10557, 12121, 12869, 14229, 17411, 19251, 20439, 23467, 36363, 38607, 52233, 70401, 109089, 115821, 156699, 211203, 295987, 327267, 347463, 398939, 470097, 539741, 633609, 887961, 1196817, 1619223, 2663883, 3590451, 4857669, 7991649, 9175597, 10771353, 14573007, 27526791, 82580373, 247741119]

約数ペア:

[(1, 247741119), (3, 82580373), (9, 27526791), (17, 14573007), (23, 10771353), (27, 9175597), (31, 7991649), (51, 4857669), (69, 3590451), (93, 2663883), (153, 1619223), (207, 1196817), (279, 887961), (391, 633609), (459, 539741), (527, 470097), (621, 398939), (713, 347463), (757, 327267), (837, 295987), (1173, 211203), (1581, 156699), (2139, 115821), (2271, 109089), (3519, 70401), (4743, 52233), (6417, 38607), (6813, 36363), (10557, 23467), (12121, 20439), (12869, 19251), (14229, 17411)]