81712995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59863}}^1$

素因数の和:59891

約数の個数: 32

約数和(自身を含む): 160914432

約数和(自身を除く): 79201437

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 59863, 179589, 299315, 419041, 778219, 897945, 1257123, 2095205, 2334657, 3891095, 5447533, 6285615, 11673285, 16342599, 27237665, 81712995]

約数ペア:

[(1, 81712995), (3, 27237665), (5, 16342599), (7, 11673285), (13, 6285615), (15, 5447533), (21, 3891095), (35, 2334657), (39, 2095205), (65, 1257123), (91, 897945), (105, 778219), (195, 419041), (273, 299315), (455, 179589), (1365, 59863)]