201321289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1999}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 222208000

約数和(自身を除く): 20886711

約数列:

[1, 13, 61, 127, 793, 1651, 1999, 7747, 25987, 100711, 121939, 253873, 1585207, 3300349, 15486253, 201321289]

約数ペア:

[(1, 201321289), (13, 15486253), (61, 3300349), (127, 1585207), (793, 253873), (1651, 121939), (1999, 100711), (7747, 25987)]