7816689

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 12240000

約数和(自身を除く): 4423311

約数列:

[1, 3, 9, 27, 29, 67, 87, 149, 201, 261, 447, 603, 783, 1341, 1809, 1943, 4023, 4321, 5829, 9983, 12963, 17487, 29949, 38889, 52461, 89847, 116667, 269541, 289507, 868521, 2605563, 7816689]

約数ペア:

[(1, 7816689), (3, 2605563), (9, 868521), (27, 289507), (29, 269541), (67, 116667), (87, 89847), (149, 52461), (201, 38889), (261, 29949), (447, 17487), (603, 12963), (783, 9983), (1341, 5829), (1809, 4321), (1943, 4023)]