80315907

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 130168320

約数和(自身を除く): 49852413

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1919, 1993, 2121, 5757, 5979, 13433, 13951, 37867, 40299, 41853, 113601, 201293, 265069, 603879, 795207, 1409051, 3824567, 4227153, 11473701, 26771969, 80315907]

約数ペア:

[(1, 80315907), (3, 26771969), (7, 11473701), (19, 4227153), (21, 3824567), (57, 1409051), (101, 795207), (133, 603879), (303, 265069), (399, 201293), (707, 113601), (1919, 41853), (1993, 40299), (2121, 37867), (5757, 13951), (5979, 13433)]