27819870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71333}}^1$

素因数の和:71356

約数の個数: 32

約数和(自身を含む): 71904672

約数和(自身を除く): 44084802

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71333, 142666, 213999, 356665, 427998, 713330, 927329, 1069995, 1854658, 2139990, 2781987, 4636645, 5563974, 9273290, 13909935, 27819870]

約数ペア:

[(1, 27819870), (2, 13909935), (3, 9273290), (5, 5563974), (6, 4636645), (10, 2781987), (13, 2139990), (15, 1854658), (26, 1069995), (30, 927329), (39, 713330), (65, 427998), (78, 356665), (130, 213999), (195, 142666), (390, 71333)]