68314815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 123492096

約数和(自身を除く): 55177281

約数列:

[1, 3, 5, 9, 15, 41, 45, 61, 123, 183, 205, 305, 369, 549, 607, 615, 915, 1821, 1845, 2501, 2745, 3035, 5463, 7503, 9105, 12505, 22509, 24887, 27315, 37027, 37515, 74661, 111081, 112545, 124435, 185135, 223983, 333243, 373305, 555405, 1119915, 1518107, 1666215, 4554321, 7590535, 13662963, 22771605, 68314815]

約数ペア:

[(1, 68314815), (3, 22771605), (5, 13662963), (9, 7590535), (15, 4554321), (41, 1666215), (45, 1518107), (61, 1119915), (123, 555405), (183, 373305), (205, 333243), (305, 223983), (369, 185135), (549, 124435), (607, 112545), (615, 111081), (915, 74661), (1821, 37515), (1845, 37027), (2501, 27315), (2745, 24887), (3035, 22509), (5463, 12505), (7503, 9105)]