1981947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 3168000

約数和(自身を除く): 1186053

約数列:

[1, 3, 11, 19, 29, 33, 57, 87, 109, 209, 319, 327, 551, 627, 957, 1199, 1653, 2071, 3161, 3597, 6061, 6213, 9483, 18183, 22781, 34771, 60059, 68343, 104313, 180177, 660649, 1981947]

約数ペア:

[(1, 1981947), (3, 660649), (11, 180177), (19, 104313), (29, 68343), (33, 60059), (57, 34771), (87, 22781), (109, 18183), (209, 9483), (319, 6213), (327, 6061), (551, 3597), (627, 3161), (957, 2071), (1199, 1653)]