28864185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 54271296

約数和(自身を除く): 25407111

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 173, 227, 245, 519, 681, 735, 865, 1135, 1211, 1589, 2595, 3405, 3633, 4767, 6055, 7945, 8477, 11123, 18165, 23835, 25431, 33369, 39271, 42385, 55615, 117813, 127155, 166845, 196355, 274897, 589065, 824691, 1374485, 1924279, 4123455, 5772837, 9621395, 28864185]

約数ペア:

[(1, 28864185), (3, 9621395), (5, 5772837), (7, 4123455), (15, 1924279), (21, 1374485), (35, 824691), (49, 589065), (105, 274897), (147, 196355), (173, 166845), (227, 127155), (245, 117813), (519, 55615), (681, 42385), (735, 39271), (865, 33369), (1135, 25431), (1211, 23835), (1589, 18165), (2595, 11123), (3405, 8477), (3633, 7945), (4767, 6055)]