30878001

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2662

約数の個数: 48

約数和(自身を含む): 58900608

約数和(自身を除く): 28022607

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 2621, 3927, 7863, 11781, 18347, 23589, 28831, 44557, 55041, 86493, 133671, 165123, 201817, 259479, 311899, 401013, 490127, 605451, 935697, 1470381, 1816353, 2807091, 3430889, 4411143, 10292667, 30878001]

約数ペア:

[(1, 30878001), (3, 10292667), (7, 4411143), (9, 3430889), (11, 2807091), (17, 1816353), (21, 1470381), (33, 935697), (51, 605451), (63, 490127), (77, 401013), (99, 311899), (119, 259479), (153, 201817), (187, 165123), (231, 133671), (357, 86493), (561, 55041), (693, 44557), (1071, 28831), (1309, 23589), (1683, 18347), (2621, 11781), (3927, 7863)]