16720743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10457}}^1$

素因数の和:10514

約数の個数: 16

約数和(自身を含む): 24597216

約数和(自身を除く): 7876473

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 10457, 31371, 135941, 407823, 428737, 1286211, 5573581, 16720743]

約数ペア:

[(1, 16720743), (3, 5573581), (13, 1286211), (39, 428737), (41, 407823), (123, 135941), (533, 31371), (1599, 10457)]