2806245

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 60

約数和(自身を含む): 5580036

約数和(自身を除く): 2773791

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 81, 117, 123, 135, 169, 195, 205, 351, 369, 405, 507, 533, 585, 615, 845, 1053, 1107, 1521, 1599, 1755, 1845, 2535, 2665, 3321, 4563, 4797, 5265, 5535, 6929, 7605, 7995, 13689, 14391, 16605, 20787, 22815, 23985, 34645, 43173, 62361, 68445, 71955, 103935, 187083, 215865, 311805, 561249, 935415, 2806245]

約数ペア:

[(1, 2806245), (3, 935415), (5, 561249), (9, 311805), (13, 215865), (15, 187083), (27, 103935), (39, 71955), (41, 68445), (45, 62361), (65, 43173), (81, 34645), (117, 23985), (123, 22815), (135, 20787), (169, 16605), (195, 14391), (205, 13689), (351, 7995), (369, 7605), (405, 6929), (507, 5535), (533, 5265), (585, 4797), (615, 4563), (845, 3321), (1053, 2665), (1107, 2535), (1521, 1845), (1599, 1755)]