81963546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{36821}}^1$

素因数の和:36886

約数の個数: 32

約数和(自身を含む): 190885248

約数和(自身を除く): 108921702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 36821, 73642, 110463, 220926, 257747, 515494, 773241, 1546482, 1951513, 3903026, 5854539, 11709078, 13660591, 27321182, 40981773, 81963546]

約数ペア:

[(1, 81963546), (2, 40981773), (3, 27321182), (6, 13660591), (7, 11709078), (14, 5854539), (21, 3903026), (42, 1951513), (53, 1546482), (106, 773241), (159, 515494), (318, 257747), (371, 220926), (742, 110463), (1113, 73642), (2226, 36821)]