12689361

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 19552104

約数和(自身を除く): 6862743

約数列:

[1, 3, 9, 17, 51, 153, 197, 421, 591, 1263, 1773, 3349, 3789, 7157, 10047, 21471, 30141, 64413, 82937, 248811, 746433, 1409929, 4229787, 12689361]

約数ペア:

[(1, 12689361), (3, 4229787), (9, 1409929), (17, 746433), (51, 248811), (153, 82937), (197, 64413), (421, 30141), (591, 21471), (1263, 10047), (1773, 7157), (3349, 3789)]