778877937

素因数分解:

$3^5\times {\mathrm{47}}^2\times {\mathrm{1451}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 1192887696

約数和(自身を除く): 414009759

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1451, 2209, 3807, 4353, 6627, 11421, 13059, 19881, 39177, 59643, 68197, 117531, 178929, 204591, 352593, 536787, 613773, 1841319, 3205259, 5523957, 9615777, 16571871, 28847331, 86541993, 259625979, 778877937]

約数ペア:

[(1, 778877937), (3, 259625979), (9, 86541993), (27, 28847331), (47, 16571871), (81, 9615777), (141, 5523957), (243, 3205259), (423, 1841319), (1269, 613773), (1451, 536787), (2209, 352593), (3807, 204591), (4353, 178929), (6627, 117531), (11421, 68197), (13059, 59643), (19881, 39177)]