64728915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{593}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 109486080

約数和(自身を除く): 44757165

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 383, 593, 1149, 1779, 1915, 2965, 5745, 7277, 8895, 11267, 21831, 33801, 36385, 56335, 109155, 169005, 227119, 681357, 1135595, 3406785, 4315261, 12945783, 21576305, 64728915]

約数ペア:

[(1, 64728915), (3, 21576305), (5, 12945783), (15, 4315261), (19, 3406785), (57, 1135595), (95, 681357), (285, 227119), (383, 169005), (593, 109155), (1149, 56335), (1779, 36385), (1915, 33801), (2965, 21831), (5745, 11267), (7277, 8895)]