13278993

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 22020096

約数和(自身を除く): 8741103

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 383, 889, 1149, 1651, 2667, 2681, 4953, 4979, 8043, 11557, 14937, 34671, 34853, 48641, 104559, 145923, 340487, 632333, 1021461, 1896999, 4426331, 13278993]

約数ペア:

[(1, 13278993), (3, 4426331), (7, 1896999), (13, 1021461), (21, 632333), (39, 340487), (91, 145923), (127, 104559), (273, 48641), (381, 34853), (383, 34671), (889, 14937), (1149, 11557), (1651, 8043), (2667, 4979), (2681, 4953)]