8021349

素因数分解:

$3^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:116

約数の個数: 60

約数和(自身を含む): 14566464

約数和(自身を除く): 6545115

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 49, 63, 81, 129, 141, 147, 189, 301, 329, 387, 423, 441, 567, 903, 987, 1161, 1269, 1323, 2021, 2107, 2303, 2709, 2961, 3483, 3807, 3969, 6063, 6321, 6909, 8127, 8883, 14147, 18189, 18963, 20727, 24381, 26649, 42441, 54567, 56889, 62181, 99029, 127323, 163701, 170667, 186543, 297087, 381969, 891261, 1145907, 2673783, 8021349]

約数ペア:

[(1, 8021349), (3, 2673783), (7, 1145907), (9, 891261), (21, 381969), (27, 297087), (43, 186543), (47, 170667), (49, 163701), (63, 127323), (81, 99029), (129, 62181), (141, 56889), (147, 54567), (189, 42441), (301, 26649), (329, 24381), (387, 20727), (423, 18963), (441, 18189), (567, 14147), (903, 8883), (987, 8127), (1161, 6909), (1269, 6321), (1323, 6063), (2021, 3969), (2107, 3807), (2303, 3483), (2709, 2961)]