28350861

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 48755520

約数和(自身を除く): 20404659

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 89, 147, 197, 231, 267, 539, 591, 623, 979, 1379, 1617, 1869, 2167, 2937, 4137, 4361, 6501, 6853, 9653, 13083, 15169, 17533, 20559, 28959, 45507, 47971, 52599, 106183, 122731, 143913, 192863, 318549, 368193, 578589, 859117, 1350041, 2577351, 4050123, 9450287, 28350861]

約数ペア:

[(1, 28350861), (3, 9450287), (7, 4050123), (11, 2577351), (21, 1350041), (33, 859117), (49, 578589), (77, 368193), (89, 318549), (147, 192863), (197, 143913), (231, 122731), (267, 106183), (539, 52599), (591, 47971), (623, 45507), (979, 28959), (1379, 20559), (1617, 17533), (1869, 15169), (2167, 13083), (2937, 9653), (4137, 6853), (4361, 6501)]