42145047

素因数分解:

$3^2\times 7^2\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 71296056

約数和(自身を除く): 29151009

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 227, 421, 441, 681, 1263, 1589, 2043, 2947, 3789, 4767, 8841, 11123, 14301, 20629, 26523, 33369, 61887, 95567, 100107, 185661, 286701, 668969, 860103, 2006907, 4682783, 6020721, 14048349, 42145047]

約数ペア:

[(1, 42145047), (3, 14048349), (7, 6020721), (9, 4682783), (21, 2006907), (49, 860103), (63, 668969), (147, 286701), (227, 185661), (421, 100107), (441, 95567), (681, 61887), (1263, 33369), (1589, 26523), (2043, 20629), (2947, 14301), (3789, 11123), (4767, 8841)]