28561845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 52176960

約数和(自身を除く): 23615115

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 169, 195, 247, 285, 507, 593, 741, 845, 1235, 1779, 2535, 2965, 3211, 3705, 7709, 8895, 9633, 11267, 16055, 23127, 33801, 38545, 48165, 56335, 100217, 115635, 146471, 169005, 300651, 439413, 501085, 732355, 1503255, 1904123, 2197065, 5712369, 9520615, 28561845]

約数ペア:

[(1, 28561845), (3, 9520615), (5, 5712369), (13, 2197065), (15, 1904123), (19, 1503255), (39, 732355), (57, 501085), (65, 439413), (95, 300651), (169, 169005), (195, 146471), (247, 115635), (285, 100217), (507, 56335), (593, 48165), (741, 38545), (845, 33801), (1235, 23127), (1779, 16055), (2535, 11267), (2965, 9633), (3211, 8895), (3705, 7709)]