28313415

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 58501440

約数和(自身を除く): 30188025

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 73, 85, 117, 135, 153, 169, 195, 219, 221, 255, 351, 365, 459, 507, 585, 657, 663, 765, 845, 949, 1095, 1105, 1241, 1521, 1755, 1971, 1989, 2295, 2535, 2847, 2873, 3285, 3315, 3723, 4563, 4745, 5967, 6205, 7605, 8541, 8619, 9855, 9945, 11169, 12337, 14235, 14365, 16133, 18615, 22815, 25623, 25857, 29835, 33507, 37011, 42705, 43095, 48399, 55845, 61685, 77571, 80665, 111033, 128115, 129285, 145197, 167535, 185055, 209729, 241995, 333099, 387855, 435591, 555165, 629187, 725985, 1048645, 1665495, 1887561, 2177955, 3145935, 5662683, 9437805, 28313415]

約数ペア:

[(1, 28313415), (3, 9437805), (5, 5662683), (9, 3145935), (13, 2177955), (15, 1887561), (17, 1665495), (27, 1048645), (39, 725985), (45, 629187), (51, 555165), (65, 435591), (73, 387855), (85, 333099), (117, 241995), (135, 209729), (153, 185055), (169, 167535), (195, 145197), (219, 129285), (221, 128115), (255, 111033), (351, 80665), (365, 77571), (459, 61685), (507, 55845), (585, 48399), (657, 43095), (663, 42705), (765, 37011), (845, 33507), (949, 29835), (1095, 25857), (1105, 25623), (1241, 22815), (1521, 18615), (1755, 16133), (1971, 14365), (1989, 14235), (2295, 12337), (2535, 11169), (2847, 9945), (2873, 9855), (3285, 8619), (3315, 8541), (3723, 7605), (4563, 6205), (4745, 5967)]