40075785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 72072000

約数和(自身を除く): 31996215

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 139, 149, 215, 387, 417, 447, 645, 695, 745, 1251, 1341, 1935, 2085, 2235, 5977, 6255, 6407, 6705, 17931, 19221, 20711, 29885, 32035, 53793, 57663, 62133, 89655, 96105, 103555, 186399, 268965, 288315, 310665, 890573, 931995, 2671719, 4452865, 8015157, 13358595, 40075785]

約数ペア:

[(1, 40075785), (3, 13358595), (5, 8015157), (9, 4452865), (15, 2671719), (43, 931995), (45, 890573), (129, 310665), (139, 288315), (149, 268965), (215, 186399), (387, 103555), (417, 96105), (447, 89655), (645, 62133), (695, 57663), (745, 53793), (1251, 32035), (1341, 29885), (1935, 20711), (2085, 19221), (2235, 17931), (5977, 6705), (6255, 6407)]