313633719

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 535748928

約数和(自身を除く): 222115209

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 157, 259, 333, 471, 777, 857, 1099, 1413, 2331, 2571, 3297, 5809, 5999, 7713, 9891, 17427, 17997, 31709, 40663, 52281, 53991, 95127, 121989, 134549, 221963, 285381, 365967, 403647, 665889, 941843, 1210941, 1997667, 2825529, 4978313, 8476587, 14934939, 34848191, 44804817, 104544573, 313633719]

約数ペア:

[(1, 313633719), (3, 104544573), (7, 44804817), (9, 34848191), (21, 14934939), (37, 8476587), (63, 4978313), (111, 2825529), (157, 1997667), (259, 1210941), (333, 941843), (471, 665889), (777, 403647), (857, 365967), (1099, 285381), (1413, 221963), (2331, 134549), (2571, 121989), (3297, 95127), (5809, 53991), (5999, 52281), (7713, 40663), (9891, 31709), (17427, 17997)]