71216325

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1031}}^1$

素因数の和:1354

約数の個数: 36

約数和(自身を含む): 128095968

約数和(自身を除く): 56879643

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 921, 1031, 1535, 2763, 3093, 4605, 5155, 7675, 9279, 13815, 15465, 23025, 25775, 46395, 69075, 77325, 231975, 316517, 949551, 1582585, 2848653, 4747755, 7912925, 14243265, 23738775, 71216325]

約数ペア:

[(1, 71216325), (3, 23738775), (5, 14243265), (9, 7912925), (15, 4747755), (25, 2848653), (45, 1582585), (75, 949551), (225, 316517), (307, 231975), (921, 77325), (1031, 69075), (1535, 46395), (2763, 25775), (3093, 23025), (4605, 15465), (5155, 13815), (7675, 9279)]