13721785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 21254400

約数和(自身を除く): 7532615

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1229, 1595, 2233, 6145, 8603, 11165, 13519, 35641, 43015, 67595, 94633, 178205, 249487, 392051, 473165, 1247435, 1960255, 2744357, 13721785]

約数ペア:

[(1, 13721785), (5, 2744357), (7, 1960255), (11, 1247435), (29, 473165), (35, 392051), (55, 249487), (77, 178205), (145, 94633), (203, 67595), (319, 43015), (385, 35641), (1015, 13519), (1229, 11165), (1595, 8603), (2233, 6145)]