31331865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 21358311

約数列:

[1, 3, 5, 15, 23, 69, 115, 197, 345, 461, 591, 985, 1383, 2305, 2955, 4531, 6915, 10603, 13593, 22655, 31809, 53015, 67965, 90817, 159045, 272451, 454085, 1362255, 2088791, 6266373, 10443955, 31331865]

約数ペア:

[(1, 31331865), (3, 10443955), (5, 6266373), (15, 2088791), (23, 1362255), (69, 454085), (115, 272451), (197, 159045), (345, 90817), (461, 67965), (591, 53015), (985, 31809), (1383, 22655), (2305, 13593), (2955, 10603), (4531, 6915)]