39973857

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 28973343

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 231, 413, 419, 539, 649, 1239, 1257, 1617, 1947, 2891, 2933, 4543, 4609, 8673, 8799, 13629, 13827, 20531, 24721, 31801, 32263, 61593, 74163, 95403, 96789, 173047, 225841, 271931, 519141, 677523, 815793, 1211329, 1903517, 3633987, 5710551, 13324619, 39973857]

約数ペア:

[(1, 39973857), (3, 13324619), (7, 5710551), (11, 3633987), (21, 1903517), (33, 1211329), (49, 815793), (59, 677523), (77, 519141), (147, 271931), (177, 225841), (231, 173047), (413, 96789), (419, 95403), (539, 74163), (649, 61593), (1239, 32263), (1257, 31801), (1617, 24721), (1947, 20531), (2891, 13827), (2933, 13629), (4543, 8799), (4609, 8673)]