40220187

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 63905280

約数和(自身を除く): 23685093

約数列:

[1, 3, 7, 21, 29, 87, 203, 211, 313, 609, 633, 939, 1477, 2191, 4431, 6119, 6573, 9077, 18357, 27231, 42833, 63539, 66043, 128499, 190617, 198129, 462301, 1386903, 1915247, 5745741, 13406729, 40220187]

約数ペア:

[(1, 40220187), (3, 13406729), (7, 5745741), (21, 1915247), (29, 1386903), (87, 462301), (203, 198129), (211, 190617), (313, 128499), (609, 66043), (633, 63539), (939, 42833), (1477, 27231), (2191, 18357), (4431, 9077), (6119, 6573)]