81589518

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{7517}}^1$

素因数の和:7598

約数の個数: 40

約数和(自身を含む): 185574312

約数和(自身を除く): 103984794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1809, 3618, 5427, 7517, 10854, 15034, 22551, 45102, 67653, 135306, 202959, 405918, 503639, 608877, 1007278, 1217754, 1510917, 3021834, 4532751, 9065502, 13598253, 27196506, 40794759, 81589518]

約数ペア:

[(1, 81589518), (2, 40794759), (3, 27196506), (6, 13598253), (9, 9065502), (18, 4532751), (27, 3021834), (54, 1510917), (67, 1217754), (81, 1007278), (134, 608877), (162, 503639), (201, 405918), (402, 202959), (603, 135306), (1206, 67653), (1809, 45102), (3618, 22551), (5427, 15034), (7517, 10854)]