20180985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11119}}^1$

素因数の和:11149

約数の個数: 24

約数和(自身を含む): 35495040

約数和(自身を除く): 15314055

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11119, 33357, 55595, 122309, 166785, 366927, 611545, 1345399, 1834635, 4036197, 6726995, 20180985]

約数ペア:

[(1, 20180985), (3, 6726995), (5, 4036197), (11, 1834635), (15, 1345399), (33, 611545), (55, 366927), (121, 166785), (165, 122309), (363, 55595), (605, 33357), (1815, 11119)]