28996191

素因数分解:

$3^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 52224000

約数和(自身を除く): 23227809

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 101, 147, 189, 217, 279, 303, 343, 441, 651, 707, 837, 909, 1029, 1323, 1519, 1953, 2121, 2727, 3087, 3131, 4557, 4949, 5859, 6363, 9261, 9393, 10633, 13671, 14847, 19089, 21917, 28179, 31899, 34643, 41013, 44541, 65751, 84537, 95697, 103929, 133623, 153419, 197253, 287091, 311787, 460257, 591759, 935361, 1073933, 1380771, 3221799, 4142313, 9665397, 28996191]

約数ペア:

[(1, 28996191), (3, 9665397), (7, 4142313), (9, 3221799), (21, 1380771), (27, 1073933), (31, 935361), (49, 591759), (63, 460257), (93, 311787), (101, 287091), (147, 197253), (189, 153419), (217, 133623), (279, 103929), (303, 95697), (343, 84537), (441, 65751), (651, 44541), (707, 41013), (837, 34643), (909, 31899), (1029, 28179), (1323, 21917), (1519, 19089), (1953, 14847), (2121, 13671), (2727, 10633), (3087, 9393), (3131, 9261), (4557, 6363), (4949, 5859)]