393950139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 617103360

約数和(自身を除く): 223153221

約数列:

[1, 3, 11, 31, 33, 59, 61, 93, 107, 177, 183, 321, 341, 649, 671, 1023, 1177, 1829, 1891, 1947, 2013, 3317, 3531, 3599, 5487, 5673, 6313, 6527, 9951, 10797, 18939, 19581, 20119, 20801, 36487, 39589, 60357, 62403, 69443, 71797, 109461, 111569, 118767, 195703, 202337, 208329, 215391, 334707, 385093, 587109, 607011, 1155279, 1227259, 2152733, 2225707, 3681777, 4236023, 6458199, 6677121, 11937883, 12708069, 35813649, 131316713, 393950139]

約数ペア:

[(1, 393950139), (3, 131316713), (11, 35813649), (31, 12708069), (33, 11937883), (59, 6677121), (61, 6458199), (93, 4236023), (107, 3681777), (177, 2225707), (183, 2152733), (321, 1227259), (341, 1155279), (649, 607011), (671, 587109), (1023, 385093), (1177, 334707), (1829, 215391), (1891, 208329), (1947, 202337), (2013, 195703), (3317, 118767), (3531, 111569), (3599, 109461), (5487, 71797), (5673, 69443), (6313, 62403), (6527, 60357), (9951, 39589), (10797, 36487), (18939, 20801), (19581, 20119)]