664673841

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{20963}}^1$

素因数の和:21253

約数の個数: 24

約数和(自身を含む): 1037801856

約数和(自身を除く): 373128015

約数列:

[1, 3, 9, 13, 39, 117, 271, 813, 2439, 3523, 10569, 20963, 31707, 62889, 188667, 272519, 817557, 2452671, 5680973, 17042919, 51128757, 73852649, 221557947, 664673841]

約数ペア:

[(1, 664673841), (3, 221557947), (9, 73852649), (13, 51128757), (39, 17042919), (117, 5680973), (271, 2452671), (813, 817557), (2439, 272519), (3523, 188667), (10569, 62889), (20963, 31707)]