217419309

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{62423}}^1$

素因数の和:62478

約数の個数: 20

約数和(自身を含む): 332345376

約数和(自身を除く): 114926067

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 62423, 187269, 561807, 1685421, 2684189, 5056263, 8052567, 24157701, 72473103, 217419309]

約数ペア:

[(1, 217419309), (3, 72473103), (9, 24157701), (27, 8052567), (43, 5056263), (81, 2684189), (129, 1685421), (387, 561807), (1161, 187269), (3483, 62423)]