208103637

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{74509}}^1$

素因数の和:74545

約数の個数: 24

約数和(自身を含む): 339765600

約数和(自身を除く): 131661963

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 74509, 223527, 521563, 1415671, 1564689, 3650941, 4247013, 9909697, 10952823, 29729091, 69367879, 208103637]

約数ペア:

[(1, 208103637), (3, 69367879), (7, 29729091), (19, 10952823), (21, 9909697), (49, 4247013), (57, 3650941), (133, 1564689), (147, 1415671), (399, 521563), (931, 223527), (2793, 74509)]