778855155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{20071}}^1$

素因数の和:20291

約数の個数: 32

約数和(自身を含む): 1348838400

約数和(自身を除く): 569983245

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 597, 995, 2587, 2985, 7761, 12935, 20071, 38805, 60213, 100355, 260923, 301065, 782769, 1304615, 3913845, 3994129, 11982387, 19970645, 51923677, 59911935, 155771031, 259618385, 778855155]

約数ペア:

[(1, 778855155), (3, 259618385), (5, 155771031), (13, 59911935), (15, 51923677), (39, 19970645), (65, 11982387), (195, 3994129), (199, 3913845), (597, 1304615), (995, 782769), (2587, 301065), (2985, 260923), (7761, 100355), (12935, 60213), (20071, 38805)]