66642261

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 114670080

約数和(自身を除く): 48027819

約数列:

[1, 3, 7, 17, 21, 29, 41, 51, 87, 119, 123, 157, 203, 287, 357, 471, 493, 609, 697, 861, 1099, 1189, 1479, 2091, 2669, 3297, 3451, 3567, 4553, 4879, 6437, 8007, 8323, 10353, 13659, 14637, 18683, 19311, 20213, 24969, 31871, 45059, 56049, 60639, 77401, 95613, 109429, 135177, 141491, 186673, 232203, 328287, 424473, 541807, 560019, 766003, 1306711, 1625421, 2298009, 3173441, 3920133, 9520323, 22214087, 66642261]

約数ペア:

[(1, 66642261), (3, 22214087), (7, 9520323), (17, 3920133), (21, 3173441), (29, 2298009), (41, 1625421), (51, 1306711), (87, 766003), (119, 560019), (123, 541807), (157, 424473), (203, 328287), (287, 232203), (357, 186673), (471, 141491), (493, 135177), (609, 109429), (697, 95613), (861, 77401), (1099, 60639), (1189, 56049), (1479, 45059), (2091, 31871), (2669, 24969), (3297, 20213), (3451, 19311), (3567, 18683), (4553, 14637), (4879, 13659), (6437, 10353), (8007, 8323)]