81944655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 145261536

約数和(自身を除く): 63316881

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 83, 183, 195, 249, 305, 415, 793, 915, 1079, 1245, 2379, 3237, 3965, 5063, 5395, 6889, 11895, 15189, 16185, 20667, 25315, 34445, 65819, 75945, 89557, 103335, 197457, 268671, 329095, 420229, 447785, 987285, 1260687, 1343355, 2101145, 5462977, 6303435, 16388931, 27314885, 81944655]

約数ペア:

[(1, 81944655), (3, 27314885), (5, 16388931), (13, 6303435), (15, 5462977), (39, 2101145), (61, 1343355), (65, 1260687), (83, 987285), (183, 447785), (195, 420229), (249, 329095), (305, 268671), (415, 197457), (793, 103335), (915, 89557), (1079, 75945), (1245, 65819), (2379, 34445), (3237, 25315), (3965, 20667), (5063, 16185), (5395, 15189), (6889, 11895)]