427771017

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 696729600

約数和(自身を除く): 268958583

約数列:

[1, 3, 9, 17, 27, 47, 51, 79, 141, 153, 237, 251, 423, 459, 711, 753, 799, 1269, 1343, 2133, 2259, 2397, 3713, 4029, 4267, 6777, 7191, 11139, 11797, 12087, 12801, 19829, 21573, 33417, 35391, 36261, 38403, 59487, 63121, 100251, 106173, 115209, 178461, 189363, 200549, 318519, 337093, 535383, 568089, 601647, 931963, 1011279, 1704267, 1804941, 2795889, 3033837, 5414823, 8387667, 9101511, 15843371, 25163001, 47530113, 142590339, 427771017]

約数ペア:

[(1, 427771017), (3, 142590339), (9, 47530113), (17, 25163001), (27, 15843371), (47, 9101511), (51, 8387667), (79, 5414823), (141, 3033837), (153, 2795889), (237, 1804941), (251, 1704267), (423, 1011279), (459, 931963), (711, 601647), (753, 568089), (799, 535383), (1269, 337093), (1343, 318519), (2133, 200549), (2259, 189363), (2397, 178461), (3713, 115209), (4029, 106173), (4267, 100251), (6777, 63121), (7191, 59487), (11139, 38403), (11797, 36261), (12087, 35391), (12801, 33417), (19829, 21573)]