84023775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 173921904

約数和(自身を除く): 89898129

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 765, 825, 935, 1275, 1683, 1997, 2475, 2805, 3825, 4675, 5991, 8415, 9985, 14025, 17973, 21967, 29955, 33949, 42075, 49925, 65901, 89865, 101847, 109835, 149775, 169745, 197703, 305541, 329505, 373439, 449325, 509235, 549175, 848725, 988515, 1120317, 1527705, 1647525, 1867195, 2546175, 3360951, 4942575, 5601585, 7638525, 9335975, 16804755, 28007925, 84023775]

約数ペア:

[(1, 84023775), (3, 28007925), (5, 16804755), (9, 9335975), (11, 7638525), (15, 5601585), (17, 4942575), (25, 3360951), (33, 2546175), (45, 1867195), (51, 1647525), (55, 1527705), (75, 1120317), (85, 988515), (99, 848725), (153, 549175), (165, 509235), (187, 449325), (225, 373439), (255, 329505), (275, 305541), (425, 197703), (495, 169745), (561, 149775), (765, 109835), (825, 101847), (935, 89865), (1275, 65901), (1683, 49925), (1997, 42075), (2475, 33949), (2805, 29955), (3825, 21967), (4675, 17973), (5991, 14025), (8415, 9985)]