221510345

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1873}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 316631040

約数和(自身を除く): 95120695

約数列:

[1, 5, 7, 31, 35, 109, 155, 217, 545, 763, 1085, 1873, 3379, 3815, 9365, 13111, 16895, 23653, 58063, 65555, 118265, 204157, 290315, 406441, 1020785, 1429099, 2032205, 6328867, 7145495, 31644335, 44302069, 221510345]

約数ペア:

[(1, 221510345), (5, 44302069), (7, 31644335), (31, 7145495), (35, 6328867), (109, 2032205), (155, 1429099), (217, 1020785), (545, 406441), (763, 290315), (1085, 204157), (1873, 118265), (3379, 65555), (3815, 58063), (9365, 23653), (13111, 16895)]