81302535

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1949}}^1$

素因数の和:2069

約数の個数: 40

約数和(自身を含む): 147232800

約数和(自身を除く): 65930265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 927, 1545, 1949, 2781, 4635, 5847, 8343, 9745, 13905, 17541, 29235, 41715, 52623, 87705, 157869, 200747, 263115, 602241, 789345, 1003735, 1806723, 3011205, 5420169, 9033615, 16260507, 27100845, 81302535]

約数ペア:

[(1, 81302535), (3, 27100845), (5, 16260507), (9, 9033615), (15, 5420169), (27, 3011205), (45, 1806723), (81, 1003735), (103, 789345), (135, 602241), (309, 263115), (405, 200747), (515, 157869), (927, 87705), (1545, 52623), (1949, 41715), (2781, 29235), (4635, 17541), (5847, 13905), (8343, 9745)]