168253281

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 301210624

約数和(自身を除く): 132957343

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 67, 81, 103, 129, 189, 201, 301, 309, 387, 469, 567, 603, 721, 903, 927, 1161, 1407, 1809, 2163, 2709, 2781, 2881, 3483, 4221, 4429, 5427, 6489, 6901, 8127, 8343, 8643, 12663, 13287, 19467, 20167, 20703, 24381, 25929, 31003, 37989, 39861, 48307, 58401, 60501, 62109, 77787, 93009, 119583, 144921, 181503, 186327, 233361, 279027, 296743, 358749, 434763, 544509, 558981, 837081, 890229, 1304289, 1633527, 2077201, 2511243, 2670687, 3912867, 6231603, 8012061, 18694809, 24036183, 56084427, 168253281]

約数ペア:

[(1, 168253281), (3, 56084427), (7, 24036183), (9, 18694809), (21, 8012061), (27, 6231603), (43, 3912867), (63, 2670687), (67, 2511243), (81, 2077201), (103, 1633527), (129, 1304289), (189, 890229), (201, 837081), (301, 558981), (309, 544509), (387, 434763), (469, 358749), (567, 296743), (603, 279027), (721, 233361), (903, 186327), (927, 181503), (1161, 144921), (1407, 119583), (1809, 93009), (2163, 77787), (2709, 62109), (2781, 60501), (2881, 58401), (3483, 48307), (4221, 39861), (4429, 37989), (5427, 31003), (6489, 25929), (6901, 24381), (8127, 20703), (8343, 20167), (8643, 19467), (12663, 13287)]