30888921

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 48885760

約数和(自身を除く): 17996839

約数列:

[1, 3, 7, 21, 43, 79, 129, 237, 301, 433, 553, 903, 1299, 1659, 3031, 3397, 9093, 10191, 18619, 23779, 34207, 55857, 71337, 102621, 130333, 239449, 390999, 718347, 1470901, 4412703, 10296307, 30888921]

約数ペア:

[(1, 30888921), (3, 10296307), (7, 4412703), (21, 1470901), (43, 718347), (79, 390999), (129, 239449), (237, 130333), (301, 102621), (433, 71337), (553, 55857), (903, 34207), (1299, 23779), (1659, 18619), (3031, 10191), (3397, 9093)]