1222560003

素因数分解:

$3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{138283}}^1$

素因数の和:138714

約数の個数: 16

約数和(自身を含む): 1867387136

約数和(自身を除く): 644827133

約数列:

[1, 3, 7, 21, 421, 1263, 2947, 8841, 138283, 414849, 967981, 2903943, 58217143, 174651429, 407520001, 1222560003]

約数ペア:

[(1, 1222560003), (3, 407520001), (7, 174651429), (21, 58217143), (421, 2903943), (1263, 967981), (2947, 414849), (8841, 138283)]