221465325

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{22541}}^1$

素因数の和:22685

約数の個数: 24

約数和(自身を含む): 368967456

約数和(自身を除く): 147502131

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 22541, 67623, 112705, 338115, 563525, 1690575, 2952871, 8858613, 14764355, 44293065, 73821775, 221465325]

約数ペア:

[(1, 221465325), (3, 73821775), (5, 44293065), (15, 14764355), (25, 8858613), (75, 2952871), (131, 1690575), (393, 563525), (655, 338115), (1965, 112705), (3275, 67623), (9825, 22541)]