1277775

素因数分解:

$3^4\times 5^2\times {\mathrm{631}}^1$

素因数の和:653

約数の個数: 30

約数和(自身を含む): 2370632

約数和(自身を除く): 1092857

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 631, 675, 1893, 2025, 3155, 5679, 9465, 15775, 17037, 28395, 47325, 51111, 85185, 141975, 255555, 425925, 1277775]

約数ペア:

[(1, 1277775), (3, 425925), (5, 255555), (9, 141975), (15, 85185), (25, 51111), (27, 47325), (45, 28395), (75, 17037), (81, 15775), (135, 9465), (225, 5679), (405, 3155), (631, 2025), (675, 1893)]