128520126

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1020001}}^1$

素因数の和:1020016

約数の個数: 24

約数和(自身を含む): 318240624

約数和(自身を除く): 189720498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1020001, 2040002, 3060003, 6120006, 7140007, 9180009, 14280014, 18360018, 21420021, 42840042, 64260063, 128520126]

約数ペア:

[(1, 128520126), (2, 64260063), (3, 42840042), (6, 21420021), (7, 18360018), (9, 14280014), (14, 9180009), (18, 7140007), (21, 6120006), (42, 3060003), (63, 2040002), (126, 1020001)]