201990021117

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{9109729}}^1$

素因数の和:9110140

約数の個数: 16

約数和(自身を含む): 284223576000

約数和(自身を除く): 82233554883

約数列:

[1, 3, 19, 57, 389, 1167, 7391, 22173, 9109729, 27329187, 173084851, 519254553, 3543684581, 10631053743, 67330007039, 201990021117]

約数ペア:

[(1, 201990021117), (3, 67330007039), (19, 10631053743), (57, 3543684581), (389, 519254553), (1167, 173084851), (7391, 27329187), (22173, 9109729)]