217771005

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{6337}}^1$

素因数の和:6453

約数の個数: 32

約数和(自身を含む): 365068800

約数和(自身を除く): 147297795

約数列:

[1, 3, 5, 15, 29, 79, 87, 145, 237, 395, 435, 1185, 2291, 6337, 6873, 11455, 19011, 31685, 34365, 95055, 183773, 500623, 551319, 918865, 1501869, 2503115, 2756595, 7509345, 14518067, 43554201, 72590335, 217771005]

約数ペア:

[(1, 217771005), (3, 72590335), (5, 43554201), (15, 14518067), (29, 7509345), (79, 2756595), (87, 2503115), (145, 1501869), (237, 918865), (395, 551319), (435, 500623), (1185, 183773), (2291, 95055), (6337, 34365), (6873, 31685), (11455, 19011)]