2791665

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 40

約数和(自身を含む): 5131368

約数和(自身を除く): 2339703

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 113, 135, 183, 305, 339, 405, 549, 565, 915, 1017, 1647, 1695, 2745, 3051, 4941, 5085, 6893, 8235, 9153, 15255, 20679, 24705, 34465, 45765, 62037, 103395, 186111, 310185, 558333, 930555, 2791665]

約数ペア:

[(1, 2791665), (3, 930555), (5, 558333), (9, 310185), (15, 186111), (27, 103395), (45, 62037), (61, 45765), (81, 34465), (113, 24705), (135, 20679), (183, 15255), (305, 9153), (339, 8235), (405, 6893), (549, 5085), (565, 4941), (915, 3051), (1017, 2745), (1647, 1695)]