251623611

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 396390400

約数和(自身を除く): 144766789

約数列:

[1, 3, 9, 23, 27, 69, 79, 207, 223, 237, 529, 621, 669, 711, 1587, 1817, 2007, 2133, 4761, 5129, 5451, 6021, 14283, 15387, 16353, 17617, 41791, 46161, 49059, 52851, 117967, 125373, 138483, 158553, 353901, 376119, 405191, 475659, 1061703, 1128357, 1215573, 3185109, 3646719, 9319393, 10940157, 27958179, 83874537, 251623611]

約数ペア:

[(1, 251623611), (3, 83874537), (9, 27958179), (23, 10940157), (27, 9319393), (69, 3646719), (79, 3185109), (207, 1215573), (223, 1128357), (237, 1061703), (529, 475659), (621, 405191), (669, 376119), (711, 353901), (1587, 158553), (1817, 138483), (2007, 125373), (2133, 117967), (4761, 52851), (5129, 49059), (5451, 46161), (6021, 41791), (14283, 17617), (15387, 16353)]