3945921

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 6484320

約数和(自身を除く): 2538399

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1579, 2499, 4737, 11053, 26843, 33159, 77371, 80529, 187901, 232113, 563703, 1315307, 3945921]

約数ペア:

[(1, 3945921), (3, 1315307), (7, 563703), (17, 232113), (21, 187901), (49, 80529), (51, 77371), (119, 33159), (147, 26843), (357, 11053), (833, 4737), (1579, 2499)]