215210325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{260861}}^1$

素因数の和:260885

約数の個数: 24

約数和(自身を含む): 388162656

約数和(自身を除く): 172952331

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 260861, 782583, 1304305, 2869471, 3912915, 6521525, 8608413, 14347355, 19564575, 43042065, 71736775, 215210325]

約数ペア:

[(1, 215210325), (3, 71736775), (5, 43042065), (11, 19564575), (15, 14347355), (25, 8608413), (33, 6521525), (55, 3912915), (75, 2869471), (165, 1304305), (275, 782583), (825, 260861)]