128779983

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2903}}^1$

素因数の和:2996

約数の個数: 32

約数和(自身を含む): 200724480

約数和(自身を除く): 71944497

約数列:

[1, 3, 9, 27, 31, 53, 93, 159, 279, 477, 837, 1431, 1643, 2903, 4929, 8709, 14787, 26127, 44361, 78381, 89993, 153859, 269979, 461577, 809937, 1384731, 2429811, 4154193, 4769629, 14308887, 42926661, 128779983]

約数ペア:

[(1, 128779983), (3, 42926661), (9, 14308887), (27, 4769629), (31, 4154193), (53, 2429811), (93, 1384731), (159, 809937), (279, 461577), (477, 269979), (837, 153859), (1431, 89993), (1643, 78381), (2903, 44361), (4929, 26127), (8709, 14787)]