221106879

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 388177920

約数和(自身を除く): 167071041

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 431, 479, 1071, 1293, 1437, 3017, 3353, 3879, 4311, 7327, 8143, 9051, 10059, 21981, 24429, 27153, 30177, 51289, 57001, 65943, 73287, 153867, 171003, 206449, 461601, 513009, 619347, 1445143, 1858041, 3509633, 4335429, 10528899, 13006287, 24567431, 31586697, 73702293, 221106879]

約数ペア:

[(1, 221106879), (3, 73702293), (7, 31586697), (9, 24567431), (17, 13006287), (21, 10528899), (51, 4335429), (63, 3509633), (119, 1858041), (153, 1445143), (357, 619347), (431, 513009), (479, 461601), (1071, 206449), (1293, 171003), (1437, 153867), (3017, 73287), (3353, 65943), (3879, 57001), (4311, 51289), (7327, 30177), (8143, 27153), (9051, 24429), (10059, 21981)]