42978555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30809}}^1$

素因数の和:30851

約数の個数: 24

約数和(自身を含む): 76901760

約数和(自身を除く): 33923205

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 30809, 92427, 154045, 277281, 462135, 955079, 1386405, 2865237, 4775395, 8595711, 14326185, 42978555]

約数ペア:

[(1, 42978555), (3, 14326185), (5, 8595711), (9, 4775395), (15, 2865237), (31, 1386405), (45, 955079), (93, 462135), (155, 277281), (279, 154045), (465, 92427), (1395, 30809)]