2975721

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 4771584

約数和(自身を除く): 1795863

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 653, 1519, 1959, 4557, 4571, 13713, 20243, 31997, 60729, 95991, 141701, 425103, 991907, 2975721]

約数ペア:

[(1, 2975721), (3, 991907), (7, 425103), (21, 141701), (31, 95991), (49, 60729), (93, 31997), (147, 20243), (217, 13713), (651, 4571), (653, 4557), (1519, 1959)]