28306395

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 54623520

約数和(自身を除く): 26317125

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 127, 135, 195, 351, 381, 585, 635, 1143, 1651, 1755, 1905, 3429, 4953, 5715, 8255, 14859, 16129, 17145, 24765, 44577, 48387, 74295, 80645, 145161, 209677, 222885, 241935, 435483, 629031, 725805, 1048385, 1887093, 2177415, 3145155, 5661279, 9435465, 28306395]

約数ペア:

[(1, 28306395), (3, 9435465), (5, 5661279), (9, 3145155), (13, 2177415), (15, 1887093), (27, 1048385), (39, 725805), (45, 629031), (65, 435483), (117, 241935), (127, 222885), (135, 209677), (195, 145161), (351, 80645), (381, 74295), (585, 48387), (635, 44577), (1143, 24765), (1651, 17145), (1755, 16129), (1905, 14859), (3429, 8255), (4953, 5715)]