217933983

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 336631680

約数和(自身を除く): 118697697

約数列:

[1, 3, 9, 27, 41, 81, 123, 137, 369, 411, 479, 1107, 1233, 1437, 3321, 3699, 4311, 5617, 11097, 12933, 16851, 19639, 38799, 50553, 58917, 65623, 151659, 176751, 196869, 454977, 530253, 590607, 1590759, 1771821, 2690543, 5315463, 8071629, 24214887, 72644661, 217933983]

約数ペア:

[(1, 217933983), (3, 72644661), (9, 24214887), (27, 8071629), (41, 5315463), (81, 2690543), (123, 1771821), (137, 1590759), (369, 590607), (411, 530253), (479, 454977), (1107, 196869), (1233, 176751), (1437, 151659), (3321, 65623), (3699, 58917), (4311, 50553), (5617, 38799), (11097, 19639), (12933, 16851)]