81365706

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 197879760

約数和(自身を除く): 116514054

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 53, 58, 87, 102, 106, 153, 159, 173, 174, 261, 306, 318, 346, 477, 493, 519, 522, 901, 954, 986, 1038, 1479, 1537, 1557, 1802, 2703, 2941, 2958, 3074, 3114, 4437, 4611, 5017, 5406, 5882, 8109, 8823, 8874, 9169, 9222, 10034, 13833, 15051, 16218, 17646, 18338, 26129, 26469, 27507, 27666, 30102, 45153, 52258, 52938, 55014, 78387, 82521, 85289, 90306, 155873, 156774, 165042, 170578, 235161, 255867, 265901, 311746, 467619, 470322, 511734, 531802, 767601, 797703, 935238, 1402857, 1535202, 1595406, 2393109, 2805714, 4520317, 4786218, 9040634, 13560951, 27121902, 40682853, 81365706]

約数ペア:

[(1, 81365706), (2, 40682853), (3, 27121902), (6, 13560951), (9, 9040634), (17, 4786218), (18, 4520317), (29, 2805714), (34, 2393109), (51, 1595406), (53, 1535202), (58, 1402857), (87, 935238), (102, 797703), (106, 767601), (153, 531802), (159, 511734), (173, 470322), (174, 467619), (261, 311746), (306, 265901), (318, 255867), (346, 235161), (477, 170578), (493, 165042), (519, 156774), (522, 155873), (901, 90306), (954, 85289), (986, 82521), (1038, 78387), (1479, 55014), (1537, 52938), (1557, 52258), (1802, 45153), (2703, 30102), (2941, 27666), (2958, 27507), (3074, 26469), (3114, 26129), (4437, 18338), (4611, 17646), (5017, 16218), (5406, 15051), (5882, 13833), (8109, 10034), (8823, 9222), (8874, 9169)]