1387215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 2489760

約数和(自身を除く): 1102545

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1063, 1305, 3189, 5315, 9567, 15945, 30827, 47835, 92481, 154135, 277443, 462405, 1387215]

約数ペア:

[(1, 1387215), (3, 462405), (5, 277443), (9, 154135), (15, 92481), (29, 47835), (45, 30827), (87, 15945), (145, 9567), (261, 5315), (435, 3189), (1063, 1305)]