726275319

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{21101}}^1$

素因数の和:21271

約数の個数: 32

約数和(自身を含む): 1215475200

約数和(自身を除く): 489199881

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 1043, 1639, 3129, 4917, 11473, 21101, 34419, 63303, 147707, 232111, 443121, 696333, 1624777, 3144049, 4874331, 9432147, 22008343, 34584539, 66025029, 103753617, 242091773, 726275319]

約数ペア:

[(1, 726275319), (3, 242091773), (7, 103753617), (11, 66025029), (21, 34584539), (33, 22008343), (77, 9432147), (149, 4874331), (231, 3144049), (447, 1624777), (1043, 696333), (1639, 443121), (3129, 232111), (4917, 147707), (11473, 63303), (21101, 34419)]