213375449

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8325

約数の個数: 24

約数和(自身を含む): 271323648

約数和(自身を除く): 57948199

約数列:

[1, 7, 17, 31, 49, 119, 217, 527, 833, 1519, 3689, 8263, 25823, 57841, 140471, 256153, 404887, 983297, 1793071, 4354601, 6883079, 12551497, 30482207, 213375449]

約数ペア:

[(1, 213375449), (7, 30482207), (17, 12551497), (31, 6883079), (49, 4354601), (119, 1793071), (217, 983297), (527, 404887), (833, 256153), (1519, 140471), (3689, 57841), (8263, 25823)]