31623129

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{5827}}^1$

素因数の和:5906

約数の個数: 20

約数和(自身を含む): 47952784

約数和(自身を除く): 16329655

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 5827, 17481, 52443, 157329, 390409, 471987, 1171227, 3513681, 10541043, 31623129]

約数ペア:

[(1, 31623129), (3, 10541043), (9, 3513681), (27, 1171227), (67, 471987), (81, 390409), (201, 157329), (603, 52443), (1809, 17481), (5427, 5827)]