2123415

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{107}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 4469256

約数和(自身を除く): 2345841

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 107, 135, 147, 189, 245, 315, 321, 405, 441, 535, 567, 735, 749, 945, 963, 1323, 1605, 2205, 2247, 2835, 2889, 3745, 3969, 4815, 5243, 6615, 6741, 8667, 11235, 14445, 15729, 19845, 20223, 26215, 33705, 43335, 47187, 60669, 78645, 101115, 141561, 235935, 303345, 424683, 707805, 2123415]

約数ペア:

[(1, 2123415), (3, 707805), (5, 424683), (7, 303345), (9, 235935), (15, 141561), (21, 101115), (27, 78645), (35, 60669), (45, 47187), (49, 43335), (63, 33705), (81, 26215), (105, 20223), (107, 19845), (135, 15729), (147, 14445), (189, 11235), (245, 8667), (315, 6741), (321, 6615), (405, 5243), (441, 4815), (535, 3969), (567, 3745), (735, 2889), (749, 2835), (945, 2247), (963, 2205), (1323, 1605)]