81738810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{953}}^2$

素因数の和:1919

約数の個数: 36

約数和(自身を含む): 212744142

約数和(自身を除く): 131005332

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 953, 1906, 2859, 4765, 5718, 8577, 9530, 14295, 17154, 28590, 42885, 85770, 908209, 1816418, 2724627, 4541045, 5449254, 8173881, 9082090, 13623135, 16347762, 27246270, 40869405, 81738810]

約数ペア:

[(1, 81738810), (2, 40869405), (3, 27246270), (5, 16347762), (6, 13623135), (9, 9082090), (10, 8173881), (15, 5449254), (18, 4541045), (30, 2724627), (45, 1816418), (90, 908209), (953, 85770), (1906, 42885), (2859, 28590), (4765, 17154), (5718, 14295), (8577, 9530)]