2851811715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{139487}}^1$

素因数の和:139571

約数の個数: 32

約数和(自身を含む): 4820705280

約数和(自身を除く): 1968893565

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6815, 20445, 139487, 418461, 697435, 2092305, 4045123, 6555889, 12135369, 19667667, 20225615, 32779445, 60676845, 98338335, 190120781, 570362343, 950603905, 2851811715]

約数ペア:

[(1, 2851811715), (3, 950603905), (5, 570362343), (15, 190120781), (29, 98338335), (47, 60676845), (87, 32779445), (141, 20225615), (145, 19667667), (235, 12135369), (435, 6555889), (705, 4045123), (1363, 2092305), (4089, 697435), (6815, 418461), (20445, 139487)]