25564185

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 46038720

約数和(自身を除く): 20474535

約数列:

[1, 3, 5, 9, 15, 45, 61, 67, 139, 183, 201, 305, 335, 417, 549, 603, 695, 915, 1005, 1251, 2085, 2745, 3015, 4087, 6255, 8479, 9313, 12261, 20435, 25437, 27939, 36783, 42395, 46565, 61305, 76311, 83817, 127185, 139695, 183915, 381555, 419085, 568093, 1704279, 2840465, 5112837, 8521395, 25564185]

約数ペア:

[(1, 25564185), (3, 8521395), (5, 5112837), (9, 2840465), (15, 1704279), (45, 568093), (61, 419085), (67, 381555), (139, 183915), (183, 139695), (201, 127185), (305, 83817), (335, 76311), (417, 61305), (549, 46565), (603, 42395), (695, 36783), (915, 27939), (1005, 25437), (1251, 20435), (2085, 12261), (2745, 9313), (3015, 8479), (4087, 6255)]