28868775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 53225760

約数和(自身を除く): 24356985

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 975, 1021, 1131, 1885, 2175, 3063, 5105, 5655, 9425, 13273, 15315, 25525, 28275, 29609, 39819, 66365, 76575, 88827, 148045, 199095, 331825, 384917, 444135, 740225, 995475, 1154751, 1924585, 2220675, 5773755, 9622925, 28868775]

約数ペア:

[(1, 28868775), (3, 9622925), (5, 5773755), (13, 2220675), (15, 1924585), (25, 1154751), (29, 995475), (39, 740225), (65, 444135), (75, 384917), (87, 331825), (145, 199095), (195, 148045), (325, 88827), (377, 76575), (435, 66365), (725, 39819), (975, 29609), (1021, 28275), (1131, 25525), (1885, 15315), (2175, 13273), (3063, 9425), (5105, 5655)]