42156693

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{5153}}^1$

素因数の和:5266

約数の個数: 20

約数和(自身を含む): 63610668

約数和(自身を除く): 21453975

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 5153, 8181, 15459, 46377, 139131, 417393, 520453, 1561359, 4684077, 14052231, 42156693]

約数ペア:

[(1, 42156693), (3, 14052231), (9, 4684077), (27, 1561359), (81, 520453), (101, 417393), (303, 139131), (909, 46377), (2727, 15459), (5153, 8181)]