28731747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 14399133

約数列:

[1, 3, 11, 33, 79, 103, 107, 237, 309, 321, 869, 1133, 1177, 2607, 3399, 3531, 8137, 8453, 11021, 24411, 25359, 33063, 89507, 92983, 121231, 268521, 278949, 363693, 870659, 2611977, 9577249, 28731747]

約数ペア:

[(1, 28731747), (3, 9577249), (11, 2611977), (33, 870659), (79, 363693), (103, 278949), (107, 268521), (237, 121231), (309, 92983), (321, 89507), (869, 33063), (1133, 25359), (1177, 24411), (2607, 11021), (3399, 8453), (3531, 8137)]