7540515

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 13811616

約数和(自身を除く): 6271101

約数列:

[1, 3, 5, 9, 15, 41, 45, 61, 67, 123, 183, 201, 205, 305, 335, 369, 549, 603, 615, 915, 1005, 1845, 2501, 2745, 2747, 3015, 4087, 7503, 8241, 12261, 12505, 13735, 20435, 22509, 24723, 36783, 37515, 41205, 61305, 112545, 123615, 167567, 183915, 502701, 837835, 1508103, 2513505, 7540515]

約数ペア:

[(1, 7540515), (3, 2513505), (5, 1508103), (9, 837835), (15, 502701), (41, 183915), (45, 167567), (61, 123615), (67, 112545), (123, 61305), (183, 41205), (201, 37515), (205, 36783), (305, 24723), (335, 22509), (369, 20435), (549, 13735), (603, 12505), (615, 12261), (915, 8241), (1005, 7503), (1845, 4087), (2501, 3015), (2745, 2747)]