1215392205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{12479}}^1$

素因数の和:12681

約数の個数: 32

約数和(自身を含む): 2003189760

約数和(自身を除く): 787797555

約数列:

[1, 3, 5, 15, 43, 129, 151, 215, 453, 645, 755, 2265, 6493, 12479, 19479, 32465, 37437, 62395, 97395, 187185, 536597, 1609791, 1884329, 2682985, 5652987, 8048955, 9421645, 28264935, 81026147, 243078441, 405130735, 1215392205]

約数ペア:

[(1, 1215392205), (3, 405130735), (5, 243078441), (15, 81026147), (43, 28264935), (129, 9421645), (151, 8048955), (215, 5652987), (453, 2682985), (645, 1884329), (755, 1609791), (2265, 536597), (6493, 187185), (12479, 97395), (19479, 62395), (32465, 37437)]