247651491

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 360448000

約数和(自身を除く): 112796509

約数列:

[1, 3, 19, 43, 57, 79, 129, 237, 817, 1279, 1501, 2451, 3397, 3837, 4503, 10191, 24301, 54997, 64543, 72903, 101041, 164991, 193629, 303123, 1044943, 1919779, 3134829, 4344763, 5759337, 13034289, 82550497, 247651491]

約数ペア:

[(1, 247651491), (3, 82550497), (19, 13034289), (43, 5759337), (57, 4344763), (79, 3134829), (129, 1919779), (237, 1044943), (817, 303123), (1279, 193629), (1501, 164991), (2451, 101041), (3397, 72903), (3837, 64543), (4503, 54997), (10191, 24301)]