28115835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2053}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 49690368

約数和(自身を除く): 21574533

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2053, 2739, 4565, 6159, 10265, 13695, 22583, 30795, 67749, 112915, 170399, 338745, 511197, 851995, 1874389, 2555985, 5623167, 9371945, 28115835]

約数ペア:

[(1, 28115835), (3, 9371945), (5, 5623167), (11, 2555985), (15, 1874389), (33, 851995), (55, 511197), (83, 338745), (165, 170399), (249, 112915), (415, 67749), (913, 30795), (1245, 22583), (2053, 13695), (2739, 10265), (4565, 6159)]