1999163925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{7549}}^1$

素因数の和:7683

約数の個数: 72

約数和(自身を含む): 3943274400

約数和(自身を除く): 1944110475

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 107, 165, 225, 275, 321, 495, 535, 825, 963, 1177, 1605, 2475, 2675, 3531, 4815, 5885, 7549, 8025, 10593, 17655, 22647, 24075, 29425, 37745, 52965, 67941, 83039, 88275, 113235, 188725, 249117, 264825, 339705, 415195, 566175, 747351, 807743, 1245585, 1698525, 2075975, 2423229, 3736755, 4038715, 6227925, 7269687, 8885173, 12116145, 18683775, 20193575, 26655519, 36348435, 44425865, 60580725, 79966557, 133277595, 181742175, 222129325, 399832785, 666387975, 1999163925]

約数ペア:

[(1, 1999163925), (3, 666387975), (5, 399832785), (9, 222129325), (11, 181742175), (15, 133277595), (25, 79966557), (33, 60580725), (45, 44425865), (55, 36348435), (75, 26655519), (99, 20193575), (107, 18683775), (165, 12116145), (225, 8885173), (275, 7269687), (321, 6227925), (495, 4038715), (535, 3736755), (825, 2423229), (963, 2075975), (1177, 1698525), (1605, 1245585), (2475, 807743), (2675, 747351), (3531, 566175), (4815, 415195), (5885, 339705), (7549, 264825), (8025, 249117), (10593, 188725), (17655, 113235), (22647, 88275), (24075, 83039), (29425, 67941), (37745, 52965)]