61288617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 29431383

約数列:

[1, 3, 13, 39, 53, 149, 159, 199, 447, 597, 689, 1937, 2067, 2587, 5811, 7761, 7897, 10547, 23691, 29651, 31641, 88953, 102661, 137111, 307983, 385463, 411333, 1156389, 1571503, 4714509, 20429539, 61288617]

約数ペア:

[(1, 61288617), (3, 20429539), (13, 4714509), (39, 1571503), (53, 1156389), (149, 411333), (159, 385463), (199, 307983), (447, 137111), (597, 102661), (689, 88953), (1937, 31641), (2067, 29651), (2587, 23691), (5811, 10547), (7761, 7897)]