221445609

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{87149}}^1$

素因数の和:87181

約数の個数: 24

約数和(自身を含む): 370910400

約数和(自身を除く): 149464791

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 87149, 261447, 610043, 958639, 1830129, 2875917, 6710473, 10545029, 20131419, 31635087, 73815203, 221445609]

約数ペア:

[(1, 221445609), (3, 73815203), (7, 31635087), (11, 20131419), (21, 10545029), (33, 6710473), (77, 2875917), (121, 1830129), (231, 958639), (363, 610043), (847, 261447), (2541, 87149)]