2976991731

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{221849}}^1$

素因数の和:221936

約数の個数: 32

約数和(自身を含む): 5111424000

約数和(自身を除く): 2134432269

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 221849, 665547, 1552943, 1996641, 4658829, 5989923, 13976487, 15751279, 41929461, 47253837, 110258953, 141761511, 330776859, 425284533, 992330577, 2976991731]

約数ペア:

[(1, 2976991731), (3, 992330577), (7, 425284533), (9, 330776859), (21, 141761511), (27, 110258953), (63, 47253837), (71, 41929461), (189, 15751279), (213, 13976487), (497, 5989923), (639, 4658829), (1491, 1996641), (1917, 1552943), (4473, 665547), (13419, 221849)]