81609639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 40318041

約数列:

[1, 3, 17, 31, 41, 51, 93, 123, 527, 697, 1259, 1271, 1581, 2091, 3777, 3813, 21403, 21607, 39029, 51619, 64209, 64821, 117087, 154857, 663493, 877523, 1600189, 1990479, 2632569, 4800567, 27203213, 81609639]

約数ペア:

[(1, 81609639), (3, 27203213), (17, 4800567), (31, 2632569), (41, 1990479), (51, 1600189), (93, 877523), (123, 663493), (527, 154857), (697, 117087), (1259, 64821), (1271, 64209), (1581, 51619), (2091, 39029), (3777, 21607), (3813, 21403)]