28260855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 56796480

約数和(自身を除く): 28535625

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1229, 1533, 2555, 3285, 3687, 4599, 6145, 7665, 8603, 11061, 18435, 22995, 25809, 43015, 55305, 77427, 89717, 129045, 269151, 387135, 448585, 628019, 807453, 1345755, 1884057, 3140095, 4037265, 5652171, 9420285, 28260855]

約数ペア:

[(1, 28260855), (3, 9420285), (5, 5652171), (7, 4037265), (9, 3140095), (15, 1884057), (21, 1345755), (35, 807453), (45, 628019), (63, 448585), (73, 387135), (105, 269151), (219, 129045), (315, 89717), (365, 77427), (511, 55305), (657, 43015), (1095, 25809), (1229, 22995), (1533, 18435), (2555, 11061), (3285, 8603), (3687, 7665), (4599, 6145)]