1291212465

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2776801}}^1$

素因数の和:2776840

約数の個数: 16

約数和(自身を含む): 2132583936

約数和(自身を除く): 841371471

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 2776801, 8330403, 13884005, 41652015, 86080831, 258242493, 430404155, 1291212465]

約数ペア:

[(1, 1291212465), (3, 430404155), (5, 258242493), (15, 86080831), (31, 41652015), (93, 13884005), (155, 8330403), (465, 2776801)]