1901197977

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2920427}}^1$

素因数の和:2920468

約数の個数: 16

約数和(自身を含む): 2990518272

約数和(自身を除く): 1089320295

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2920427, 8761281, 20442989, 61328967, 90533237, 271599711, 633732659, 1901197977]

約数ペア:

[(1, 1901197977), (3, 633732659), (7, 271599711), (21, 90533237), (31, 61328967), (93, 20442989), (217, 8761281), (651, 2920427)]