221464971

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2393}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 397365696

約数和(自身を除く): 175900725

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 273, 339, 791, 819, 1017, 1469, 2373, 2393, 4407, 7119, 7179, 10283, 13221, 16751, 21537, 30849, 31109, 50253, 92547, 93327, 150759, 217763, 270409, 279981, 653289, 811227, 1892863, 1959867, 2433681, 3515317, 5678589, 10545951, 17035767, 24607219, 31637853, 73821657, 221464971]

約数ペア:

[(1, 221464971), (3, 73821657), (7, 31637853), (9, 24607219), (13, 17035767), (21, 10545951), (39, 5678589), (63, 3515317), (91, 2433681), (113, 1959867), (117, 1892863), (273, 811227), (339, 653289), (791, 279981), (819, 270409), (1017, 217763), (1469, 150759), (2373, 93327), (2393, 92547), (4407, 50253), (7119, 31109), (7179, 30849), (10283, 21537), (13221, 16751)]