42497721

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 74081280

約数和(自身を除く): 31583559

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 139, 161, 207, 211, 417, 483, 633, 973, 1251, 1449, 1477, 1899, 2919, 3197, 4431, 4853, 8757, 9591, 13293, 14559, 22379, 28773, 29329, 33971, 43677, 67137, 87987, 101913, 201411, 205303, 263961, 305739, 615909, 674567, 1847727, 2023701, 4721969, 6071103, 14165907, 42497721]

約数ペア:

[(1, 42497721), (3, 14165907), (7, 6071103), (9, 4721969), (21, 2023701), (23, 1847727), (63, 674567), (69, 615909), (139, 305739), (161, 263961), (207, 205303), (211, 201411), (417, 101913), (483, 87987), (633, 67137), (973, 43677), (1251, 33971), (1449, 29329), (1477, 28773), (1899, 22379), (2919, 14559), (3197, 13293), (4431, 9591), (4853, 8757)]