1257156981

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{12911}}^1$

素因数の和:13297

約数の個数: 24

約数和(自身を含む): 1879987200

約数和(自身を除く): 622830219

約数列:

[1, 3, 9, 31, 93, 279, 349, 1047, 3141, 10819, 12911, 32457, 38733, 97371, 116199, 400241, 1200723, 3602169, 4505939, 13517817, 40553451, 139684109, 419052327, 1257156981]

約数ペア:

[(1, 1257156981), (3, 419052327), (9, 139684109), (31, 40553451), (93, 13517817), (279, 4505939), (349, 3602169), (1047, 1200723), (3141, 400241), (10819, 116199), (12911, 97371), (32457, 38733)]