31413879

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 53959680

約数和(自身を除く): 22545801

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2341, 4473, 7023, 13419, 16387, 21069, 49161, 63207, 147483, 166211, 442449, 498633, 1163477, 1495899, 3490431, 4487697, 10471293, 31413879]

約数ペア:

[(1, 31413879), (3, 10471293), (7, 4487697), (9, 3490431), (21, 1495899), (27, 1163477), (63, 498633), (71, 442449), (189, 166211), (213, 147483), (497, 63207), (639, 49161), (1491, 21069), (1917, 16387), (2341, 13419), (4473, 7023)]