870837237

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{25537}}^1$

素因数の和:25970

約数の個数: 20

約数和(自身を含む): 1304021356

約数和(自身を除く): 433184119

約数列:

[1, 3, 9, 27, 81, 421, 1263, 3789, 11367, 25537, 34101, 76611, 229833, 689499, 2068497, 10751077, 32253231, 96759693, 290279079, 870837237]

約数ペア:

[(1, 870837237), (3, 290279079), (9, 96759693), (27, 32253231), (81, 10751077), (421, 2068497), (1263, 689499), (3789, 229833), (11367, 76611), (25537, 34101)]