68857575

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 117778176

約数和(自身を除く): 48920601

約数列:

[1, 3, 5, 15, 25, 67, 71, 75, 193, 201, 213, 335, 355, 579, 965, 1005, 1065, 1675, 1775, 2895, 4757, 4825, 5025, 5325, 12931, 13703, 14271, 14475, 23785, 38793, 41109, 64655, 68515, 71355, 118925, 193965, 205545, 323275, 342575, 356775, 918101, 969825, 1027725, 2754303, 4590505, 13771515, 22952525, 68857575]

約数ペア:

[(1, 68857575), (3, 22952525), (5, 13771515), (15, 4590505), (25, 2754303), (67, 1027725), (71, 969825), (75, 918101), (193, 356775), (201, 342575), (213, 323275), (335, 205545), (355, 193965), (579, 118925), (965, 71355), (1005, 68515), (1065, 64655), (1675, 41109), (1775, 38793), (2895, 23785), (4757, 14475), (4825, 14271), (5025, 13703), (5325, 12931)]