221775975

素因数分解:

$3^4\times 5^2\times {\mathrm{109519}}^1$

素因数の和:109541

約数の個数: 30

約数和(自身を含む): 410809520

約数和(自身を除く): 189033545

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 109519, 328557, 547595, 985671, 1642785, 2737975, 2957013, 4928355, 8213925, 8871039, 14785065, 24641775, 44355195, 73925325, 221775975]

約数ペア:

[(1, 221775975), (3, 73925325), (5, 44355195), (9, 24641775), (15, 14785065), (25, 8871039), (27, 8213925), (45, 4928355), (75, 2957013), (81, 2737975), (135, 1642785), (225, 985671), (405, 547595), (675, 328557), (2025, 109519)]