28516845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2689}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 52680960

約数和(自身を除く): 24164115

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 2121, 2689, 3535, 8067, 10605, 13445, 18823, 40335, 56469, 94115, 271589, 282345, 814767, 1357945, 1901123, 4073835, 5703369, 9505615, 28516845]

約数ペア:

[(1, 28516845), (3, 9505615), (5, 5703369), (7, 4073835), (15, 1901123), (21, 1357945), (35, 814767), (101, 282345), (105, 271589), (303, 94115), (505, 56469), (707, 40335), (1515, 18823), (2121, 13445), (2689, 10605), (3535, 8067)]