628005021

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{23603}}^1$

素因数の和:23801

約数の個数: 24

約数和(自身を含む): 979471584

約数和(自身を除く): 351466563

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1267, 3801, 8869, 23603, 26607, 70809, 165221, 495663, 1156547, 3469641, 4272143, 12816429, 29905001, 89715003, 209335007, 628005021]

約数ペア:

[(1, 628005021), (3, 209335007), (7, 89715003), (21, 29905001), (49, 12816429), (147, 4272143), (181, 3469641), (543, 1156547), (1267, 495663), (3801, 165221), (8869, 70809), (23603, 26607)]