291291297

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1721}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 444358656

約数和(自身を除く): 153067359

約数列:

[1, 3, 11, 23, 33, 69, 223, 253, 669, 759, 1721, 2453, 5129, 5163, 7359, 15387, 18931, 39583, 56419, 56793, 118749, 169257, 383783, 435413, 1151349, 1306239, 4221613, 8827009, 12664839, 26481027, 97097099, 291291297]

約数ペア:

[(1, 291291297), (3, 97097099), (11, 26481027), (23, 12664839), (33, 8827009), (69, 4221613), (223, 1306239), (253, 1151349), (669, 435413), (759, 383783), (1721, 169257), (2453, 118749), (5129, 56793), (5163, 56419), (7359, 39583), (15387, 18931)]