28839525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 56038080

約数和(自身を除く): 27198555

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2689, 3575, 8067, 10725, 13445, 29579, 34957, 40335, 67225, 88737, 104871, 147895, 174785, 201675, 384527, 443685, 524355, 739475, 873925, 1153581, 1922635, 2218425, 2621775, 5767905, 9613175, 28839525]

約数ペア:

[(1, 28839525), (3, 9613175), (5, 5767905), (11, 2621775), (13, 2218425), (15, 1922635), (25, 1153581), (33, 873925), (39, 739475), (55, 524355), (65, 443685), (75, 384527), (143, 201675), (165, 174785), (195, 147895), (275, 104871), (325, 88737), (429, 67225), (715, 40335), (825, 34957), (975, 29579), (2145, 13445), (2689, 10725), (3575, 8067)]