77987289

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 111541248

約数和(自身を除く): 33553959

約数列:

[1, 3, 31, 41, 93, 113, 123, 181, 339, 543, 1271, 3503, 3813, 4633, 5611, 7421, 10509, 13899, 16833, 20453, 22263, 61359, 143623, 230051, 430869, 634043, 690153, 838573, 1902129, 2515719, 25995763, 77987289]

約数ペア:

[(1, 77987289), (3, 25995763), (31, 2515719), (41, 1902129), (93, 838573), (113, 690153), (123, 634043), (181, 430869), (339, 230051), (543, 143623), (1271, 61359), (3503, 22263), (3813, 20453), (4633, 16833), (5611, 13899), (7421, 10509)]