210706875

素因数分解:

$3^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 60

約数和(自身を含む): 388900512

約数和(自身を除く): 178193637

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 125, 141, 225, 235, 375, 423, 625, 705, 797, 1125, 1175, 1875, 2115, 2391, 3525, 3985, 5625, 5875, 7173, 10575, 11955, 17625, 19925, 29375, 35865, 37459, 52875, 59775, 88125, 99625, 112377, 179325, 187295, 264375, 298875, 337131, 498125, 561885, 896625, 936475, 1494375, 1685655, 2809425, 4483125, 4682375, 8428275, 14047125, 23411875, 42141375, 70235625, 210706875]

約数ペア:

[(1, 210706875), (3, 70235625), (5, 42141375), (9, 23411875), (15, 14047125), (25, 8428275), (45, 4682375), (47, 4483125), (75, 2809425), (125, 1685655), (141, 1494375), (225, 936475), (235, 896625), (375, 561885), (423, 498125), (625, 337131), (705, 298875), (797, 264375), (1125, 187295), (1175, 179325), (1875, 112377), (2115, 99625), (2391, 88125), (3525, 59775), (3985, 52875), (5625, 37459), (5875, 35865), (7173, 29375), (10575, 19925), (11955, 17625)]