201918717

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 416317440

約数和(自身を除く): 214398723

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 31, 33, 39, 63, 77, 91, 93, 99, 117, 143, 189, 217, 231, 241, 273, 279, 297, 341, 351, 403, 429, 651, 693, 723, 819, 837, 1001, 1023, 1209, 1287, 1687, 1953, 2079, 2169, 2387, 2457, 2651, 2821, 3003, 3069, 3133, 3627, 3861, 4433, 5061, 5859, 6507, 7161, 7471, 7953, 8463, 9009, 9207, 9399, 10881, 13299, 15183, 18557, 21483, 21931, 22413, 23859, 25389, 27027, 28197, 31031, 34463, 39897, 45549, 52297, 55671, 64449, 65793, 67239, 71577, 76167, 82181, 84591, 93093, 97123, 103389, 119691, 156891, 167013, 197379, 201717, 241241, 246543, 279279, 291369, 310167, 470673, 501039, 575267, 592137, 679861, 723723, 739629, 837837, 874107, 930501, 1068353, 1412019, 1725801, 2039583, 2171169, 2218887, 2622321, 3205059, 5177403, 6118749, 6513507, 7478471, 9615177, 15532209, 18356247, 22435413, 28845531, 67306239, 201918717]

約数ペア:

[(1, 201918717), (3, 67306239), (7, 28845531), (9, 22435413), (11, 18356247), (13, 15532209), (21, 9615177), (27, 7478471), (31, 6513507), (33, 6118749), (39, 5177403), (63, 3205059), (77, 2622321), (91, 2218887), (93, 2171169), (99, 2039583), (117, 1725801), (143, 1412019), (189, 1068353), (217, 930501), (231, 874107), (241, 837837), (273, 739629), (279, 723723), (297, 679861), (341, 592137), (351, 575267), (403, 501039), (429, 470673), (651, 310167), (693, 291369), (723, 279279), (819, 246543), (837, 241241), (1001, 201717), (1023, 197379), (1209, 167013), (1287, 156891), (1687, 119691), (1953, 103389), (2079, 97123), (2169, 93093), (2387, 84591), (2457, 82181), (2651, 76167), (2821, 71577), (3003, 67239), (3069, 65793), (3133, 64449), (3627, 55671), (3861, 52297), (4433, 45549), (5061, 39897), (5859, 34463), (6507, 31031), (7161, 28197), (7471, 27027), (7953, 25389), (8463, 23859), (9009, 22413), (9207, 21931), (9399, 21483), (10881, 18557), (13299, 15183)]