213331325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{643}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 276940608

約数和(自身を除く): 63609283

約数列:

[1, 5, 23, 25, 115, 575, 577, 643, 2885, 3215, 13271, 14425, 14789, 16075, 66355, 73945, 331775, 369725, 371011, 1855055, 8533253, 9275275, 42666265, 213331325]

約数ペア:

[(1, 213331325), (5, 42666265), (23, 9275275), (25, 8533253), (115, 1855055), (575, 371011), (577, 369725), (643, 331775), (2885, 73945), (3215, 66355), (13271, 16075), (14425, 14789)]