396996873

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{207743}}^1$

素因数の和:207773

約数の個数: 24

約数和(自身を含む): 663118848

約数和(自身を除く): 266121975

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 207743, 623229, 1454201, 2700659, 4362603, 8101977, 10179407, 18904613, 30538221, 56713839, 132332291, 396996873]

約数ペア:

[(1, 396996873), (3, 132332291), (7, 56713839), (13, 30538221), (21, 18904613), (39, 10179407), (49, 8101977), (91, 4362603), (147, 2700659), (273, 1454201), (637, 623229), (1911, 207743)]