25245927

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 46949760

約数和(自身を除く): 21703833

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 131, 133, 147, 161, 171, 207, 393, 399, 437, 441, 483, 917, 931, 1127, 1179, 1197, 1311, 1449, 2489, 2751, 2793, 3013, 3059, 3381, 3933, 6419, 7467, 8253, 8379, 9039, 9177, 10143, 17423, 19257, 21091, 21413, 22401, 27117, 27531, 52269, 57247, 57771, 63273, 64239, 121961, 147637, 156807, 171741, 189819, 192717, 365883, 400729, 442911, 515223, 1097649, 1202187, 1328733, 2805103, 3606561, 8415309, 25245927]

約数ペア:

[(1, 25245927), (3, 8415309), (7, 3606561), (9, 2805103), (19, 1328733), (21, 1202187), (23, 1097649), (49, 515223), (57, 442911), (63, 400729), (69, 365883), (131, 192717), (133, 189819), (147, 171741), (161, 156807), (171, 147637), (207, 121961), (393, 64239), (399, 63273), (437, 57771), (441, 57247), (483, 52269), (917, 27531), (931, 27117), (1127, 22401), (1179, 21413), (1197, 21091), (1311, 19257), (1449, 17423), (2489, 10143), (2751, 9177), (2793, 9039), (3013, 8379), (3059, 8253), (3381, 7467), (3933, 6419)]