25256205

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 50404788

約数和(自身を除く): 25148583

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 81, 117, 123, 135, 169, 195, 205, 243, 351, 369, 405, 507, 533, 585, 615, 729, 845, 1053, 1107, 1215, 1521, 1599, 1755, 1845, 2535, 2665, 3159, 3321, 3645, 4563, 4797, 5265, 5535, 6929, 7605, 7995, 9477, 9963, 13689, 14391, 15795, 16605, 20787, 22815, 23985, 29889, 34645, 41067, 43173, 47385, 49815, 62361, 68445, 71955, 103935, 123201, 129519, 149445, 187083, 205335, 215865, 311805, 388557, 561249, 616005, 647595, 935415, 1683747, 1942785, 2806245, 5051241, 8418735, 25256205]

約数ペア:

[(1, 25256205), (3, 8418735), (5, 5051241), (9, 2806245), (13, 1942785), (15, 1683747), (27, 935415), (39, 647595), (41, 616005), (45, 561249), (65, 388557), (81, 311805), (117, 215865), (123, 205335), (135, 187083), (169, 149445), (195, 129519), (205, 123201), (243, 103935), (351, 71955), (369, 68445), (405, 62361), (507, 49815), (533, 47385), (585, 43173), (615, 41067), (729, 34645), (845, 29889), (1053, 23985), (1107, 22815), (1215, 20787), (1521, 16605), (1599, 15795), (1755, 14391), (1845, 13689), (2535, 9963), (2665, 9477), (3159, 7995), (3321, 7605), (3645, 6929), (4563, 5535), (4797, 5265)]