2840985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 5840640

約数和(自身を除く): 2999655

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 311, 315, 435, 609, 933, 1015, 1305, 1555, 1827, 2177, 2799, 3045, 4665, 6531, 9019, 9135, 10885, 13995, 19593, 27057, 32655, 45095, 63133, 81171, 97965, 135285, 189399, 315665, 405855, 568197, 946995, 2840985]

約数ペア:

[(1, 2840985), (3, 946995), (5, 568197), (7, 405855), (9, 315665), (15, 189399), (21, 135285), (29, 97965), (35, 81171), (45, 63133), (63, 45095), (87, 32655), (105, 27057), (145, 19593), (203, 13995), (261, 10885), (311, 9135), (315, 9019), (435, 6531), (609, 4665), (933, 3045), (1015, 2799), (1305, 2177), (1555, 1827)]