716576721

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{1931}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 1121734656

約数和(自身を除く): 405157935

約数列:

[1, 3, 7, 21, 41, 123, 287, 431, 861, 1293, 1931, 3017, 5793, 9051, 13517, 17671, 40551, 53013, 79171, 123697, 237513, 371091, 554197, 832261, 1662591, 2496783, 5825827, 17477481, 34122701, 102368103, 238858907, 716576721]

約数ペア:

[(1, 716576721), (3, 238858907), (7, 102368103), (21, 34122701), (41, 17477481), (123, 5825827), (287, 2496783), (431, 1662591), (861, 832261), (1293, 554197), (1931, 371091), (3017, 237513), (5793, 123697), (9051, 79171), (13517, 53013), (17671, 40551)]