156955781943

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{19185403}}^1$

素因数の和:19185516

約数の個数: 20

約数和(自身を含む): 236786256168

約数和(自身を除く): 79830474225

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 19185403, 57556209, 172668627, 518005881, 1554017643, 1937725703, 5813177109, 17439531327, 52318593981, 156955781943]

約数ペア:

[(1, 156955781943), (3, 52318593981), (9, 17439531327), (27, 5813177109), (81, 1937725703), (101, 1554017643), (303, 518005881), (909, 172668627), (2727, 57556209), (8181, 19185403)]