78974775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1877}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 163476144

約数和(自身を除く): 84501369

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 765, 825, 935, 1275, 1683, 1877, 2475, 2805, 3825, 4675, 5631, 8415, 9385, 14025, 16893, 20647, 28155, 31909, 42075, 46925, 61941, 84465, 95727, 103235, 140775, 159545, 185823, 287181, 309705, 350999, 422325, 478635, 516175, 797725, 929115, 1052997, 1435905, 1548525, 1754995, 2393175, 3158991, 4645575, 5264985, 7179525, 8774975, 15794955, 26324925, 78974775]

約数ペア:

[(1, 78974775), (3, 26324925), (5, 15794955), (9, 8774975), (11, 7179525), (15, 5264985), (17, 4645575), (25, 3158991), (33, 2393175), (45, 1754995), (51, 1548525), (55, 1435905), (75, 1052997), (85, 929115), (99, 797725), (153, 516175), (165, 478635), (187, 422325), (225, 350999), (255, 309705), (275, 287181), (425, 185823), (495, 159545), (561, 140775), (765, 103235), (825, 95727), (935, 84465), (1275, 61941), (1683, 46925), (1877, 42075), (2475, 31909), (2805, 28155), (3825, 20647), (4675, 16893), (5631, 14025), (8415, 9385)]