15298857

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12781}}^1$

素因数の和:12813

約数の個数: 24

約数和(自身を含む): 26586560

約数和(自身を除く): 11287703

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 12781, 38343, 89467, 115029, 242839, 268401, 728517, 805203, 1699873, 2185551, 5099619, 15298857]

約数ペア:

[(1, 15298857), (3, 5099619), (7, 2185551), (9, 1699873), (19, 805203), (21, 728517), (57, 268401), (63, 242839), (133, 115029), (171, 89467), (399, 38343), (1197, 12781)]