1398015

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 2478528

約数和(自身を除く): 1080513

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 661, 705, 1983, 2115, 3305, 5949, 9915, 29745, 31067, 93201, 155335, 279603, 466005, 1398015]

約数ペア:

[(1, 1398015), (3, 466005), (5, 279603), (9, 155335), (15, 93201), (45, 31067), (47, 29745), (141, 9915), (235, 5949), (423, 3305), (661, 2115), (705, 1983)]