1261212897

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{26539}}^1$

素因数の和:26653

約数の個数: 32

約数和(自身を含む): 2011095040

約数和(自身を除く): 749882143

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 2263, 6789, 15841, 26539, 47523, 79617, 185773, 557319, 822709, 1937347, 2468127, 5758963, 5812041, 13561429, 17276889, 40684287, 60057757, 180173271, 420404299, 1261212897]

約数ペア:

[(1, 1261212897), (3, 420404299), (7, 180173271), (21, 60057757), (31, 40684287), (73, 17276889), (93, 13561429), (217, 5812041), (219, 5758963), (511, 2468127), (651, 1937347), (1533, 822709), (2263, 557319), (6789, 185773), (15841, 79617), (26539, 47523)]