42904449

素因数分解:

$3^2\times 7^2\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 72558720

約数和(自身を除く): 29654271

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 271, 359, 441, 813, 1077, 1897, 2439, 2513, 3231, 5691, 7539, 13279, 17073, 17591, 22617, 39837, 52773, 97289, 119511, 158319, 291867, 681023, 875601, 2043069, 4767161, 6129207, 14301483, 42904449]

約数ペア:

[(1, 42904449), (3, 14301483), (7, 6129207), (9, 4767161), (21, 2043069), (49, 875601), (63, 681023), (147, 291867), (271, 158319), (359, 119511), (441, 97289), (813, 52773), (1077, 39837), (1897, 22617), (2439, 17591), (2513, 17073), (3231, 13279), (5691, 7539)]