259754013

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{977}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 395894400

約数和(自身を除く): 136140387

約数列:

[1, 3, 9, 27, 43, 129, 229, 387, 687, 977, 1161, 2061, 2931, 6183, 8793, 9847, 26379, 29541, 42011, 88623, 126033, 223733, 265869, 378099, 671199, 1134297, 2013597, 6040791, 9620519, 28861557, 86584671, 259754013]

約数ペア:

[(1, 259754013), (3, 86584671), (9, 28861557), (27, 9620519), (43, 6040791), (129, 2013597), (229, 1134297), (387, 671199), (687, 378099), (977, 265869), (1161, 223733), (2061, 126033), (2931, 88623), (6183, 42011), (8793, 29541), (9847, 26379)]