31089261

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 49840128

約数和(自身を除く): 18750867

約数列:

[1, 3, 7, 21, 23, 69, 161, 191, 337, 483, 573, 1011, 1337, 2359, 4011, 4393, 7077, 7751, 13179, 23253, 30751, 54257, 64367, 92253, 162771, 193101, 450569, 1351707, 1480441, 4441323, 10363087, 31089261]

約数ペア:

[(1, 31089261), (3, 10363087), (7, 4441323), (21, 1480441), (23, 1351707), (69, 450569), (161, 193101), (191, 162771), (337, 92253), (483, 64367), (573, 54257), (1011, 30751), (1337, 23253), (2359, 13179), (4011, 7751), (4393, 7077)]