1900990065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{573451}}^1$

素因数の和:573489

約数の個数: 32

約数和(自身を含む): 3468237696

約数和(自身を除く): 1567247631

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 573451, 1720353, 2867255, 7454863, 8601765, 9748667, 22364589, 29246001, 37274315, 48743335, 111822945, 126732671, 146230005, 380198013, 633663355, 1900990065]

約数ペア:

[(1, 1900990065), (3, 633663355), (5, 380198013), (13, 146230005), (15, 126732671), (17, 111822945), (39, 48743335), (51, 37274315), (65, 29246001), (85, 22364589), (195, 9748667), (221, 8601765), (255, 7454863), (663, 2867255), (1105, 1720353), (3315, 573451)]