220151841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42443}}^1$

素因数の和:42485

約数の個数: 32

約数和(自身を含む): 380298240

約数和(自身を除く): 160146399

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 42443, 127329, 297101, 551759, 806417, 891303, 1655277, 2419251, 3862313, 5644919, 10483421, 11586939, 16934757, 31450263, 73383947, 220151841]

約数ペア:

[(1, 220151841), (3, 73383947), (7, 31450263), (13, 16934757), (19, 11586939), (21, 10483421), (39, 5644919), (57, 3862313), (91, 2419251), (133, 1655277), (247, 891303), (273, 806417), (399, 551759), (741, 297101), (1729, 127329), (5187, 42443)]