201178125

素因数分解:

$3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 380225664

約数和(自身を除く): 179047539

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 311, 345, 375, 575, 625, 933, 1035, 1125, 1555, 1725, 1875, 2799, 2875, 3125, 4665, 5175, 5625, 7153, 7775, 8625, 9375, 13995, 14375, 21459, 23325, 25875, 28125, 35765, 38875, 43125, 64377, 69975, 71875, 107295, 116625, 129375, 178825, 194375, 215625, 321885, 349875, 536475, 583125, 646875, 894125, 971875, 1609425, 1749375, 2682375, 2915625, 4470625, 8047125, 8746875, 13411875, 22353125, 40235625, 67059375, 201178125]

約数ペア:

[(1, 201178125), (3, 67059375), (5, 40235625), (9, 22353125), (15, 13411875), (23, 8746875), (25, 8047125), (45, 4470625), (69, 2915625), (75, 2682375), (115, 1749375), (125, 1609425), (207, 971875), (225, 894125), (311, 646875), (345, 583125), (375, 536475), (575, 349875), (625, 321885), (933, 215625), (1035, 194375), (1125, 178825), (1555, 129375), (1725, 116625), (1875, 107295), (2799, 71875), (2875, 69975), (3125, 64377), (4665, 43125), (5175, 38875), (5625, 35765), (7153, 28125), (7775, 25875), (8625, 23325), (9375, 21459), (13995, 14375)]