84215715

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2213}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 140279040

約数和(自身を除く): 56063325

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 645, 885, 2213, 2537, 6639, 7611, 11065, 12685, 33195, 38055, 95159, 130567, 285477, 391701, 475795, 652835, 1427385, 1958505, 5614381, 16843143, 28071905, 84215715]

約数ペア:

[(1, 84215715), (3, 28071905), (5, 16843143), (15, 5614381), (43, 1958505), (59, 1427385), (129, 652835), (177, 475795), (215, 391701), (295, 285477), (645, 130567), (885, 95159), (2213, 38055), (2537, 33195), (6639, 12685), (7611, 11065)]