68889795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{881}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 119133504

約数和(自身を除く): 50243709

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 401, 881, 1203, 2005, 2643, 4405, 5213, 6015, 11453, 13215, 15639, 26065, 34359, 57265, 78195, 171795, 353281, 1059843, 1766405, 4592653, 5299215, 13777959, 22963265, 68889795]

約数ペア:

[(1, 68889795), (3, 22963265), (5, 13777959), (13, 5299215), (15, 4592653), (39, 1766405), (65, 1059843), (195, 353281), (401, 171795), (881, 78195), (1203, 57265), (2005, 34359), (2643, 26065), (4405, 15639), (5213, 13215), (6015, 11453)]