28029855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 27708513

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 357, 383, 595, 615, 697, 861, 1149, 1435, 1785, 1915, 2091, 2681, 3485, 4305, 4879, 5745, 6511, 8043, 10455, 13405, 14637, 15703, 19533, 24395, 32555, 40215, 45577, 47109, 73185, 78515, 97665, 109921, 136731, 227885, 235545, 266951, 329763, 549605, 683655, 800853, 1334755, 1648815, 1868657, 4004265, 5605971, 9343285, 28029855]

約数ペア:

[(1, 28029855), (3, 9343285), (5, 5605971), (7, 4004265), (15, 1868657), (17, 1648815), (21, 1334755), (35, 800853), (41, 683655), (51, 549605), (85, 329763), (105, 266951), (119, 235545), (123, 227885), (205, 136731), (255, 109921), (287, 97665), (357, 78515), (383, 73185), (595, 47109), (615, 45577), (697, 40215), (861, 32555), (1149, 24395), (1435, 19533), (1785, 15703), (1915, 14637), (2091, 13405), (2681, 10455), (3485, 8043), (4305, 6511), (4879, 5745)]