51515745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 94003200

約数和(自身を除く): 42487455

約数列:

[1, 3, 5, 15, 19, 23, 29, 57, 69, 87, 95, 115, 145, 271, 285, 345, 435, 437, 551, 667, 813, 1311, 1355, 1653, 2001, 2185, 2755, 3335, 4065, 5149, 6233, 6555, 7859, 8265, 10005, 12673, 15447, 18699, 23577, 25745, 31165, 38019, 39295, 63365, 77235, 93495, 117885, 118427, 149321, 180757, 190095, 355281, 447963, 542271, 592135, 746605, 903785, 1776405, 2239815, 2711355, 3434383, 10303149, 17171915, 51515745]

約数ペア:

[(1, 51515745), (3, 17171915), (5, 10303149), (15, 3434383), (19, 2711355), (23, 2239815), (29, 1776405), (57, 903785), (69, 746605), (87, 592135), (95, 542271), (115, 447963), (145, 355281), (271, 190095), (285, 180757), (345, 149321), (435, 118427), (437, 117885), (551, 93495), (667, 77235), (813, 63365), (1311, 39295), (1355, 38019), (1653, 31165), (2001, 25745), (2185, 23577), (2755, 18699), (3335, 15447), (4065, 12673), (5149, 10005), (6233, 8265), (6555, 7859)]