81298875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{30971}}^1$

素因数の和:30996

約数の個数: 32

約数和(自身を含む): 154612224

約数和(自身を除く): 73313349

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 30971, 92913, 154855, 216797, 464565, 650391, 774275, 1083985, 2322825, 3251955, 3871375, 5419925, 11614125, 16259775, 27099625, 81298875]

約数ペア:

[(1, 81298875), (3, 27099625), (5, 16259775), (7, 11614125), (15, 5419925), (21, 3871375), (25, 3251955), (35, 2322825), (75, 1083985), (105, 774275), (125, 650391), (175, 464565), (375, 216797), (525, 154855), (875, 92913), (2625, 30971)]