620160807

素因数分解:

$3^1\times 7^3\times {\mathrm{727}}^1\times {\mathrm{829}}^1$

素因数の和:1580

約数の個数: 32

約数和(自身を含む): 966784000

約数和(自身を除く): 346623193

約数列:

[1, 3, 7, 21, 49, 147, 343, 727, 829, 1029, 2181, 2487, 5089, 5803, 15267, 17409, 35623, 40621, 106869, 121863, 249361, 284347, 602683, 748083, 853041, 1808049, 4218781, 12656343, 29531467, 88594401, 206720269, 620160807]

約数ペア:

[(1, 620160807), (3, 206720269), (7, 88594401), (21, 29531467), (49, 12656343), (147, 4218781), (343, 1808049), (727, 853041), (829, 748083), (1029, 602683), (2181, 284347), (2487, 249361), (5089, 121863), (5803, 106869), (15267, 40621), (17409, 35623)]