30990015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{751}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 61940736

約数和(自身を除く): 30950721

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 655, 751, 917, 1179, 1965, 2253, 2751, 3755, 4585, 5257, 5895, 6759, 8253, 11265, 13755, 15771, 26285, 33795, 41265, 47313, 78855, 98381, 236565, 295143, 491905, 688667, 885429, 1475715, 2066001, 3443335, 4427145, 6198003, 10330005, 30990015]

約数ペア:

[(1, 30990015), (3, 10330005), (5, 6198003), (7, 4427145), (9, 3443335), (15, 2066001), (21, 1475715), (35, 885429), (45, 688667), (63, 491905), (105, 295143), (131, 236565), (315, 98381), (393, 78855), (655, 47313), (751, 41265), (917, 33795), (1179, 26285), (1965, 15771), (2253, 13755), (2751, 11265), (3755, 8253), (4585, 6759), (5257, 5895)]