178397937

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3318

約数の個数: 32

約数和(自身を含む): 277344000

約数和(自身を除く): 98946063

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 639, 783, 1917, 2059, 3209, 6177, 9627, 18531, 28881, 55593, 86643, 93061, 227839, 279183, 683517, 837549, 2050551, 2512647, 6151653, 6607331, 19821993, 59465979, 178397937]

約数ペア:

[(1, 178397937), (3, 59465979), (9, 19821993), (27, 6607331), (29, 6151653), (71, 2512647), (87, 2050551), (213, 837549), (261, 683517), (639, 279183), (783, 227839), (1917, 93061), (2059, 86643), (3209, 55593), (6177, 28881), (9627, 18531)]