1724409

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 20

約数和(自身を含む): 2625700

約数和(自身を除く): 901291

約数列:

[1, 3, 9, 27, 61, 81, 183, 349, 549, 1047, 1647, 3141, 4941, 9423, 21289, 28269, 63867, 191601, 574803, 1724409]

約数ペア:

[(1, 1724409), (3, 574803), (9, 191601), (27, 63867), (61, 28269), (81, 21289), (183, 9423), (349, 4941), (549, 3141), (1047, 1647)]