81862677

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 134841280

約数和(自身を除く): 52978603

約数列:

[1, 3, 9, 13, 27, 39, 59, 67, 117, 177, 201, 351, 531, 603, 767, 871, 1593, 1809, 2301, 2613, 3481, 3953, 6903, 7839, 10443, 11859, 20709, 23517, 31329, 35577, 45253, 51389, 93987, 106731, 135759, 154167, 233227, 407277, 462501, 699681, 1221831, 1387503, 2099043, 3031951, 6297129, 9095853, 27287559, 81862677]

約数ペア:

[(1, 81862677), (3, 27287559), (9, 9095853), (13, 6297129), (27, 3031951), (39, 2099043), (59, 1387503), (67, 1221831), (117, 699681), (177, 462501), (201, 407277), (351, 233227), (531, 154167), (603, 135759), (767, 106731), (871, 93987), (1593, 51389), (1809, 45253), (2301, 35577), (2613, 31329), (3481, 23517), (3953, 20709), (6903, 11859), (7839, 10443)]