247788579

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{4549}}^1$

素因数の和:4890

約数の個数: 16

約数和(自身を含む): 336627200

約数和(自身を除く): 88838621

約数列:

[1, 3, 67, 201, 271, 813, 4549, 13647, 18157, 54471, 304783, 914349, 1232779, 3698337, 82596193, 247788579]

約数ペア:

[(1, 247788579), (3, 82596193), (67, 3698337), (201, 1232779), (271, 914349), (813, 304783), (4549, 54471), (13647, 18157)]