64659777

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 106659840

約数和(自身を除く): 42000063

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 717, 991, 1673, 2973, 3107, 5019, 6937, 9321, 12883, 20811, 21749, 38649, 65247, 90181, 236849, 270543, 710547, 1657943, 3079037, 4973829, 9237111, 21553259, 64659777]

約数ペア:

[(1, 64659777), (3, 21553259), (7, 9237111), (13, 4973829), (21, 3079037), (39, 1657943), (91, 710547), (239, 270543), (273, 236849), (717, 90181), (991, 65247), (1673, 38649), (2973, 21749), (3107, 20811), (5019, 12883), (6937, 9321)]