30147915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 27912885

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 47, 105, 123, 141, 149, 205, 235, 287, 329, 447, 615, 705, 745, 861, 987, 1043, 1435, 1645, 1927, 2235, 3129, 4305, 4935, 5215, 5781, 6109, 7003, 9635, 13489, 15645, 18327, 21009, 28905, 30545, 35015, 40467, 42763, 49021, 67445, 91635, 105045, 128289, 147063, 202335, 213815, 245105, 287123, 641445, 735315, 861369, 1435615, 2009861, 4306845, 6029583, 10049305, 30147915]

約数ペア:

[(1, 30147915), (3, 10049305), (5, 6029583), (7, 4306845), (15, 2009861), (21, 1435615), (35, 861369), (41, 735315), (47, 641445), (105, 287123), (123, 245105), (141, 213815), (149, 202335), (205, 147063), (235, 128289), (287, 105045), (329, 91635), (447, 67445), (615, 49021), (705, 42763), (745, 40467), (861, 35015), (987, 30545), (1043, 28905), (1435, 21009), (1645, 18327), (1927, 15645), (2235, 13489), (3129, 9635), (4305, 7003), (4935, 6109), (5215, 5781)]