28483371

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 48921600

約数和(自身を除く): 20438229

約数列:

[1, 3, 7, 9, 21, 59, 63, 79, 97, 177, 237, 291, 413, 531, 553, 679, 711, 873, 1239, 1659, 2037, 3717, 4661, 4977, 5723, 6111, 7663, 13983, 17169, 22989, 32627, 40061, 41949, 51507, 53641, 68967, 97881, 120183, 160923, 293643, 360549, 452117, 482769, 1356351, 3164819, 4069053, 9494457, 28483371]

約数ペア:

[(1, 28483371), (3, 9494457), (7, 4069053), (9, 3164819), (21, 1356351), (59, 482769), (63, 452117), (79, 360549), (97, 293643), (177, 160923), (237, 120183), (291, 97881), (413, 68967), (531, 53641), (553, 51507), (679, 41949), (711, 40061), (873, 32627), (1239, 22989), (1659, 17169), (2037, 13983), (3717, 7663), (4661, 6111), (4977, 5723)]