381321215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{2243}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 504980784

約数和(自身を除く): 123659569

約数列:

[1, 5, 11, 55, 121, 281, 605, 1405, 2243, 3091, 11215, 15455, 24673, 34001, 123365, 170005, 271403, 630283, 1357015, 3151415, 6933113, 34665565, 76264243, 381321215]

約数ペア:

[(1, 381321215), (5, 76264243), (11, 34665565), (55, 6933113), (121, 3151415), (281, 1357015), (605, 630283), (1405, 271403), (2243, 170005), (3091, 123365), (11215, 34001), (15455, 24673)]