1215205902

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{68819}}^1$

素因数の和:68942

約数の個数: 40

約数和(自身を含む): 2747982600

約数和(自身を除く): 1532776698

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1962, 2943, 5886, 8829, 17658, 68819, 137638, 206457, 412914, 619371, 1238742, 1858113, 3716226, 5574339, 7501271, 11148678, 15002542, 22503813, 45007626, 67511439, 135022878, 202534317, 405068634, 607602951, 1215205902]

約数ペア:

[(1, 1215205902), (2, 607602951), (3, 405068634), (6, 202534317), (9, 135022878), (18, 67511439), (27, 45007626), (54, 22503813), (81, 15002542), (109, 11148678), (162, 7501271), (218, 5574339), (327, 3716226), (654, 1858113), (981, 1238742), (1962, 619371), (2943, 412914), (5886, 206457), (8829, 137638), (17658, 68819)]