28326285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 54211248

約数和(自身を除く): 25884963

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 195, 205, 369, 533, 585, 615, 1181, 1599, 1845, 2665, 3543, 4797, 5905, 7995, 10629, 15353, 17715, 23985, 46059, 48421, 53145, 76765, 138177, 145263, 230295, 242105, 435789, 629473, 690885, 726315, 1888419, 2178945, 3147365, 5665257, 9442095, 28326285]

約数ペア:

[(1, 28326285), (3, 9442095), (5, 5665257), (9, 3147365), (13, 2178945), (15, 1888419), (39, 726315), (41, 690885), (45, 629473), (65, 435789), (117, 242105), (123, 230295), (195, 145263), (205, 138177), (369, 76765), (533, 53145), (585, 48421), (615, 46059), (1181, 23985), (1599, 17715), (1845, 15353), (2665, 10629), (3543, 7995), (4797, 5905)]