15920797515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{503743}}^1$

素因数の和:503808

約数の個数: 48

約数和(自身を含む): 30321358848

約数和(自身を除く): 14400561333

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 2107, 4515, 6321, 10535, 31605, 503743, 1511229, 2518715, 3526201, 7556145, 10578603, 17631005, 21660949, 24683407, 52893015, 64982847, 74050221, 108304745, 123417035, 151626643, 324914235, 370251105, 454879929, 758133215, 1061386501, 2274399645, 3184159503, 5306932505, 15920797515]

約数ペア:

[(1, 15920797515), (3, 5306932505), (5, 3184159503), (7, 2274399645), (15, 1061386501), (21, 758133215), (35, 454879929), (43, 370251105), (49, 324914235), (105, 151626643), (129, 123417035), (147, 108304745), (215, 74050221), (245, 64982847), (301, 52893015), (645, 24683407), (735, 21660949), (903, 17631005), (1505, 10578603), (2107, 7556145), (4515, 3526201), (6321, 2518715), (10535, 1511229), (31605, 503743)]