1291286313

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{473519}}^1$

素因数の和:473629

約数の個数: 16

約数和(自身を含む): 1931961600

約数和(自身を除く): 640675287

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 473519, 1420557, 4261671, 12785013, 47825419, 143476257, 430428771, 1291286313]

約数ペア:

[(1, 1291286313), (3, 430428771), (9, 143476257), (27, 47825419), (101, 12785013), (303, 4261671), (909, 1420557), (2727, 473519)]