15880545

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 29240640

約数和(自身を除く): 13360095

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 283, 387, 435, 645, 849, 1247, 1305, 1415, 1935, 2547, 3741, 4245, 6235, 8207, 11223, 12169, 12735, 18705, 24621, 36507, 41035, 56115, 60845, 73863, 109521, 123105, 182535, 352901, 369315, 547605, 1058703, 1764505, 3176109, 5293515, 15880545]

約数ペア:

[(1, 15880545), (3, 5293515), (5, 3176109), (9, 1764505), (15, 1058703), (29, 547605), (43, 369315), (45, 352901), (87, 182535), (129, 123105), (145, 109521), (215, 73863), (261, 60845), (283, 56115), (387, 41035), (435, 36507), (645, 24621), (849, 18705), (1247, 12735), (1305, 12169), (1415, 11223), (1935, 8207), (2547, 6235), (3741, 4245)]