28954815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 50168160

約数和(自身を除く): 21213345

約数列:

[1, 3, 5, 15, 23, 41, 69, 89, 115, 123, 205, 267, 345, 445, 529, 615, 943, 1335, 1587, 2047, 2645, 2829, 3649, 4715, 6141, 7935, 10235, 10947, 14145, 18245, 21689, 30705, 47081, 54735, 65067, 83927, 108445, 141243, 235405, 251781, 325335, 419635, 706215, 1258905, 1930321, 5790963, 9651605, 28954815]

約数ペア:

[(1, 28954815), (3, 9651605), (5, 5790963), (15, 1930321), (23, 1258905), (41, 706215), (69, 419635), (89, 325335), (115, 251781), (123, 235405), (205, 141243), (267, 108445), (345, 83927), (445, 65067), (529, 54735), (615, 47081), (943, 30705), (1335, 21689), (1587, 18245), (2047, 14145), (2645, 10947), (2829, 10235), (3649, 7935), (4715, 6141)]