691808421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{4243}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 1026708480

約数和(自身を除く): 334900059

約数列:

[1, 3, 17, 23, 51, 69, 139, 391, 417, 1173, 2363, 3197, 4243, 7089, 9591, 12729, 54349, 72131, 97589, 163047, 216393, 292767, 589777, 1659013, 1769331, 4977039, 10026209, 13564871, 30078627, 40694613, 230602807, 691808421]

約数ペア:

[(1, 691808421), (3, 230602807), (17, 40694613), (23, 30078627), (51, 13564871), (69, 10026209), (139, 4977039), (391, 1769331), (417, 1659013), (1173, 589777), (2363, 292767), (3197, 216393), (4243, 163047), (7089, 97589), (9591, 72131), (12729, 54349)]