401982015

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1303}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 652709376

約数和(自身を除く): 250727361

約数列:

[1, 3, 5, 15, 131, 157, 393, 471, 655, 785, 1303, 1965, 2355, 3909, 6515, 19545, 20567, 61701, 102835, 170693, 204571, 308505, 512079, 613713, 853465, 1022855, 2560395, 3068565, 26798801, 80396403, 133994005, 401982015]

約数ペア:

[(1, 401982015), (3, 133994005), (5, 80396403), (15, 26798801), (131, 3068565), (157, 2560395), (393, 1022855), (471, 853465), (655, 613713), (785, 512079), (1303, 308505), (1965, 204571), (2355, 170693), (3909, 102835), (6515, 61701), (19545, 20567)]