13305237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 21078144

約数和(自身を除く): 7772907

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 641, 1221, 1887, 1923, 6919, 7051, 10897, 20757, 21153, 23717, 32691, 71151, 119867, 260887, 359601, 403189, 782661, 1209567, 4435079, 13305237]

約数ペア:

[(1, 13305237), (3, 4435079), (11, 1209567), (17, 782661), (33, 403189), (37, 359601), (51, 260887), (111, 119867), (187, 71151), (407, 32691), (561, 23717), (629, 21153), (641, 20757), (1221, 10897), (1887, 7051), (1923, 6919)]