351696387

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 545587200

約数和(自身を除く): 193890813

約数列:

[1, 3, 7, 21, 79, 237, 239, 553, 717, 887, 1659, 1673, 2661, 5019, 6209, 18627, 18881, 56643, 70073, 132167, 210219, 211993, 396501, 490511, 635979, 1471533, 1483951, 4451853, 16747447, 50242341, 117232129, 351696387]

約数ペア:

[(1, 351696387), (3, 117232129), (7, 50242341), (21, 16747447), (79, 4451853), (237, 1483951), (239, 1471533), (553, 635979), (717, 490511), (887, 396501), (1659, 211993), (1673, 210219), (2661, 132167), (5019, 70073), (6209, 56643), (18627, 18881)]