7281001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 9676800

約数和(自身を除く): 2395799

約数列:

[1, 7, 13, 29, 31, 89, 91, 203, 217, 377, 403, 623, 899, 1157, 2581, 2639, 2759, 2821, 6293, 8099, 11687, 18067, 19313, 33553, 35867, 80011, 81809, 234871, 251069, 560077, 1040143, 7281001]

約数ペア:

[(1, 7281001), (7, 1040143), (13, 560077), (29, 251069), (31, 234871), (89, 81809), (91, 80011), (203, 35867), (217, 33553), (377, 19313), (403, 18067), (623, 11687), (899, 8099), (1157, 6293), (2581, 2821), (2639, 2759)]