42445221

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 75264000

約数和(自身を除く): 32818779

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 167, 247, 273, 343, 399, 501, 637, 741, 931, 1029, 1169, 1729, 1911, 2171, 2793, 3173, 3507, 4459, 5187, 6513, 6517, 8183, 9519, 12103, 13377, 15197, 19551, 22211, 24549, 36309, 41249, 45591, 57281, 66633, 84721, 106379, 123747, 155477, 171843, 254163, 288743, 319137, 466431, 744653, 866229, 1088339, 2021201, 2233959, 3265017, 6063603, 14148407, 42445221]

約数ペア:

[(1, 42445221), (3, 14148407), (7, 6063603), (13, 3265017), (19, 2233959), (21, 2021201), (39, 1088339), (49, 866229), (57, 744653), (91, 466431), (133, 319137), (147, 288743), (167, 254163), (247, 171843), (273, 155477), (343, 123747), (399, 106379), (501, 84721), (637, 66633), (741, 57281), (931, 45591), (1029, 41249), (1169, 36309), (1729, 24549), (1911, 22211), (2171, 19551), (2793, 15197), (3173, 13377), (3507, 12103), (4459, 9519), (5187, 8183), (6513, 6517)]