64278615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13267}}^1$

素因数の和:13311

約数の個数: 32

約数和(自身を含む): 114635520

約数和(自身を除く): 50356905

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 13267, 39801, 66335, 199005, 225539, 252073, 676617, 756219, 1127695, 1260365, 3383085, 3781095, 4285241, 12855723, 21426205, 64278615]

約数ペア:

[(1, 64278615), (3, 21426205), (5, 12855723), (15, 4285241), (17, 3781095), (19, 3383085), (51, 1260365), (57, 1127695), (85, 756219), (95, 676617), (255, 252073), (285, 225539), (323, 199005), (969, 66335), (1615, 39801), (4845, 13267)]