16397360469

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{407317}}^1$

素因数の和:407407

約数の個数: 40

約数和(自身を含む): 28388435328

約数和(自身を除く): 11991074859

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 4473, 5751, 13419, 40257, 407317, 1221951, 2851219, 3665853, 8553657, 10997559, 25660971, 28919507, 32992677, 76982913, 86758521, 202436549, 230948739, 260275563, 607309647, 780826689, 1821928941, 2342480067, 5465786823, 16397360469]

約数ペア:

[(1, 16397360469), (3, 5465786823), (7, 2342480067), (9, 1821928941), (21, 780826689), (27, 607309647), (63, 260275563), (71, 230948739), (81, 202436549), (189, 86758521), (213, 76982913), (497, 32992677), (567, 28919507), (639, 25660971), (1491, 10997559), (1917, 8553657), (4473, 3665853), (5751, 2851219), (13419, 1221951), (40257, 407317)]