81881142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{10771}}^1$

素因数の和:10964

約数の個数: 32

約数和(自身を含む): 188208384

約数和(自身を除く): 106327242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 181, 362, 543, 1086, 1267, 2534, 3801, 7602, 10771, 21542, 32313, 64626, 75397, 150794, 226191, 452382, 1949551, 3899102, 5848653, 11697306, 13646857, 27293714, 40940571, 81881142]

約数ペア:

[(1, 81881142), (2, 40940571), (3, 27293714), (6, 13646857), (7, 11697306), (14, 5848653), (21, 3899102), (42, 1949551), (181, 452382), (362, 226191), (543, 150794), (1086, 75397), (1267, 64626), (2534, 32313), (3801, 21542), (7602, 10771)]