900405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 1819584

約数和(自身を除く): 919179

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 107, 153, 165, 187, 255, 321, 495, 535, 561, 765, 935, 963, 1177, 1605, 1683, 1819, 2805, 3531, 4815, 5457, 5885, 8415, 9095, 10593, 16371, 17655, 20009, 27285, 52965, 60027, 81855, 100045, 180081, 300135, 900405]

約数ペア:

[(1, 900405), (3, 300135), (5, 180081), (9, 100045), (11, 81855), (15, 60027), (17, 52965), (33, 27285), (45, 20009), (51, 17655), (55, 16371), (85, 10593), (99, 9095), (107, 8415), (153, 5885), (165, 5457), (187, 4815), (255, 3531), (321, 2805), (495, 1819), (535, 1683), (561, 1605), (765, 1177), (935, 963)]