2980593

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 5975424

約数和(自身を除く): 2994831

約数列:

[1, 3, 7, 9, 11, 17, 21, 23, 33, 51, 63, 69, 77, 99, 119, 121, 153, 161, 187, 207, 231, 253, 357, 363, 391, 483, 561, 693, 759, 847, 1071, 1089, 1173, 1309, 1449, 1683, 1771, 2057, 2277, 2541, 2737, 2783, 3519, 3927, 4301, 5313, 6171, 7623, 8211, 8349, 11781, 12903, 14399, 15939, 18513, 19481, 24633, 25047, 30107, 38709, 43197, 47311, 58443, 90321, 129591, 141933, 175329, 270963, 331177, 425799, 993531, 2980593]

約数ペア:

[(1, 2980593), (3, 993531), (7, 425799), (9, 331177), (11, 270963), (17, 175329), (21, 141933), (23, 129591), (33, 90321), (51, 58443), (63, 47311), (69, 43197), (77, 38709), (99, 30107), (119, 25047), (121, 24633), (153, 19481), (161, 18513), (187, 15939), (207, 14399), (231, 12903), (253, 11781), (357, 8349), (363, 8211), (391, 7623), (483, 6171), (561, 5313), (693, 4301), (759, 3927), (847, 3519), (1071, 2783), (1089, 2737), (1173, 2541), (1309, 2277), (1449, 2057), (1683, 1771)]