30661965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 56862000

約数和(自身を除く): 26200035

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 149, 153, 255, 269, 447, 745, 765, 807, 1341, 1345, 2235, 2421, 2533, 4035, 4573, 6705, 7599, 12105, 12665, 13719, 22797, 22865, 37995, 40081, 41157, 68595, 113985, 120243, 200405, 205785, 360729, 601215, 681377, 1803645, 2044131, 3406885, 6132393, 10220655, 30661965]

約数ペア:

[(1, 30661965), (3, 10220655), (5, 6132393), (9, 3406885), (15, 2044131), (17, 1803645), (45, 681377), (51, 601215), (85, 360729), (149, 205785), (153, 200405), (255, 120243), (269, 113985), (447, 68595), (745, 41157), (765, 40081), (807, 37995), (1341, 22865), (1345, 22797), (2235, 13719), (2421, 12665), (2533, 12105), (4035, 7599), (4573, 6705)]