30891015

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1061}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 53677728

約数和(自身を除く): 22786713

約数列:

[1, 3, 5, 9, 15, 45, 647, 1061, 1941, 3183, 3235, 5305, 5823, 9549, 9705, 15915, 29115, 47745, 686467, 2059401, 3432335, 6178203, 10297005, 30891015]

約数ペア:

[(1, 30891015), (3, 10297005), (5, 6178203), (9, 3432335), (15, 2059401), (45, 686467), (647, 47745), (1061, 29115), (1941, 15915), (3183, 9705), (3235, 9549), (5305, 5823)]