2979255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 5068800

約数和(自身を除く): 2089545

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 149, 155, 215, 447, 465, 645, 745, 1333, 2235, 3999, 4619, 6407, 6665, 13857, 19221, 19995, 23095, 32035, 69285, 96105, 198617, 595851, 993085, 2979255]

約数ペア:

[(1, 2979255), (3, 993085), (5, 595851), (15, 198617), (31, 96105), (43, 69285), (93, 32035), (129, 23095), (149, 19995), (155, 19221), (215, 13857), (447, 6665), (465, 6407), (645, 4619), (745, 3999), (1333, 2235)]