87795561

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 145474944

約数和(自身を除く): 57679383

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 313, 361, 399, 703, 777, 939, 1083, 2109, 2191, 2527, 4921, 5947, 6573, 7581, 11581, 13357, 14763, 17841, 34743, 40071, 41629, 81067, 93499, 112993, 124887, 220039, 243201, 280497, 338979, 660117, 790951, 1540273, 2372853, 4180741, 4620819, 12542223, 29265187, 87795561]

約数ペア:

[(1, 87795561), (3, 29265187), (7, 12542223), (19, 4620819), (21, 4180741), (37, 2372853), (57, 1540273), (111, 790951), (133, 660117), (259, 338979), (313, 280497), (361, 243201), (399, 220039), (703, 124887), (777, 112993), (939, 93499), (1083, 81067), (2109, 41629), (2191, 40071), (2527, 34743), (4921, 17841), (5947, 14763), (6573, 13357), (7581, 11581)]