31004253

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21397}}^1$

素因数の和:21433

約数の個数: 24

約数和(自身を含む): 53409408

約数和(自身を除く): 22405155

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 21397, 64191, 149779, 192573, 449337, 492131, 1348011, 1476393, 3444917, 4429179, 10334751, 31004253]

約数ペア:

[(1, 31004253), (3, 10334751), (7, 4429179), (9, 3444917), (21, 1476393), (23, 1348011), (63, 492131), (69, 449337), (161, 192573), (207, 149779), (483, 64191), (1449, 21397)]