212406885

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3541}}^1$

素因数の和:3626

約数の個数: 48

約数和(自身を含む): 388996608

約数和(自身を除く): 176589723

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 645, 1333, 1395, 1935, 3541, 3999, 6665, 10623, 11997, 17705, 19995, 31869, 53115, 59985, 109771, 152263, 159345, 329313, 456789, 548855, 761315, 987939, 1370367, 1646565, 2283945, 4720153, 4939695, 6851835, 14160459, 23600765, 42481377, 70802295, 212406885]

約数ペア:

[(1, 212406885), (3, 70802295), (5, 42481377), (9, 23600765), (15, 14160459), (31, 6851835), (43, 4939695), (45, 4720153), (93, 2283945), (129, 1646565), (155, 1370367), (215, 987939), (279, 761315), (387, 548855), (465, 456789), (645, 329313), (1333, 159345), (1395, 152263), (1935, 109771), (3541, 59985), (3999, 53115), (6665, 31869), (10623, 19995), (11997, 17705)]