220910865

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{42937}}^1$

素因数の和:42966

約数の個数: 32

約数和(自身を含む): 412204800

約数和(自身を除く): 191293935

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 42937, 128811, 214685, 300559, 644055, 901677, 1502795, 2103913, 4508385, 6311739, 10519565, 14727391, 31558695, 44182173, 73636955, 220910865]

約数ペア:

[(1, 220910865), (3, 73636955), (5, 44182173), (7, 31558695), (15, 14727391), (21, 10519565), (35, 6311739), (49, 4508385), (105, 2103913), (147, 1502795), (245, 901677), (343, 644055), (735, 300559), (1029, 214685), (1715, 128811), (5145, 42937)]