205501821

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{315671}}^1$

素因数の和:315712

約数の個数: 16

約数和(自身を含む): 323248128

約数和(自身を除く): 117746307

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 315671, 947013, 2209697, 6629091, 9785801, 29357403, 68500607, 205501821]

約数ペア:

[(1, 205501821), (3, 68500607), (7, 29357403), (21, 9785801), (31, 6629091), (93, 2209697), (217, 947013), (651, 315671)]