15122331

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 25929072

約数和(自身を除く): 10806741

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 647, 1113, 1941, 2597, 3339, 4529, 5823, 7791, 13587, 23373, 31703, 34291, 40761, 95109, 102873, 240037, 285327, 308619, 720111, 1680259, 2160333, 5040777, 15122331]

約数ペア:

[(1, 15122331), (3, 5040777), (7, 2160333), (9, 1680259), (21, 720111), (49, 308619), (53, 285327), (63, 240037), (147, 102873), (159, 95109), (371, 40761), (441, 34291), (477, 31703), (647, 23373), (1113, 13587), (1941, 7791), (2597, 5823), (3339, 4529)]