28229313

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 44941312

約数和(自身を除く): 16711999

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 309, 421, 651, 721, 1263, 2163, 2947, 3193, 8841, 9579, 13051, 22351, 39153, 43363, 67053, 91357, 130089, 274071, 303541, 910623, 1344253, 4032759, 9409771, 28229313]

約数ペア:

[(1, 28229313), (3, 9409771), (7, 4032759), (21, 1344253), (31, 910623), (93, 303541), (103, 274071), (217, 130089), (309, 91357), (421, 67053), (651, 43363), (721, 39153), (1263, 22351), (2163, 13051), (2947, 9579), (3193, 8841)]