245364213

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 356977152

約数和(自身を除く): 111612939

約数列:

[1, 3, 17, 41, 51, 123, 271, 433, 697, 813, 1299, 2091, 4607, 7361, 11111, 13821, 17753, 22083, 33333, 53259, 117343, 188887, 301801, 352029, 566661, 905403, 1994831, 4811063, 5984493, 14433189, 81788071, 245364213]

約数ペア:

[(1, 245364213), (3, 81788071), (17, 14433189), (41, 5984493), (51, 4811063), (123, 1994831), (271, 905403), (433, 566661), (697, 352029), (813, 301801), (1299, 188887), (2091, 117343), (4607, 53259), (7361, 33333), (11111, 22083), (13821, 17753)]