128571885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 241183488

約数和(自身を除く): 112611603

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 271, 585, 811, 813, 1355, 2433, 2439, 3523, 4055, 4065, 7299, 10543, 10569, 12165, 12195, 17615, 31629, 31707, 36495, 52715, 52845, 94887, 158145, 158535, 219781, 474435, 659343, 1098905, 1978029, 2857153, 3296715, 8571459, 9890145, 14285765, 25714377, 42857295, 128571885]

約数ペア:

[(1, 128571885), (3, 42857295), (5, 25714377), (9, 14285765), (13, 9890145), (15, 8571459), (39, 3296715), (45, 2857153), (65, 1978029), (117, 1098905), (195, 659343), (271, 474435), (585, 219781), (811, 158535), (813, 158145), (1355, 94887), (2433, 52845), (2439, 52715), (3523, 36495), (4055, 31707), (4065, 31629), (7299, 17615), (10543, 12195), (10569, 12165)]