1244145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 2475648

約数和(自身を除く): 1231503

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 289, 357, 595, 615, 697, 861, 867, 1435, 1445, 1785, 2023, 2091, 3485, 4305, 4335, 4879, 6069, 10115, 10455, 11849, 14637, 24395, 30345, 35547, 59245, 73185, 82943, 177735, 248829, 414715, 1244145]

約数ペア:

[(1, 1244145), (3, 414715), (5, 248829), (7, 177735), (15, 82943), (17, 73185), (21, 59245), (35, 35547), (41, 30345), (51, 24395), (85, 14637), (105, 11849), (119, 10455), (123, 10115), (205, 6069), (255, 4879), (287, 4335), (289, 4305), (357, 3485), (595, 2091), (615, 2023), (697, 1785), (861, 1445), (867, 1435)]