262188855

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6552

約数の個数: 48

約数和(自身を含む): 485372160

約数和(自身を除く): 223183305

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 6481, 8091, 13485, 19443, 32405, 40455, 58329, 97215, 187949, 200911, 291645, 563847, 602733, 939745, 1004555, 1691541, 1808199, 2819235, 3013665, 5826419, 8457705, 9040995, 17479257, 29132095, 52437771, 87396285, 262188855]

約数ペア:

[(1, 262188855), (3, 87396285), (5, 52437771), (9, 29132095), (15, 17479257), (29, 9040995), (31, 8457705), (45, 5826419), (87, 3013665), (93, 2819235), (145, 1808199), (155, 1691541), (261, 1004555), (279, 939745), (435, 602733), (465, 563847), (899, 291645), (1305, 200911), (1395, 187949), (2697, 97215), (4495, 58329), (6481, 40455), (8091, 32405), (13485, 19443)]