18045585

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2655

約数の個数: 40

約数和(自身を含む): 34264296

約数和(自身を除く): 16218711

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2621, 6885, 7863, 13105, 23589, 39315, 44557, 70767, 117945, 133671, 212301, 222785, 353835, 401013, 668355, 1061505, 1203039, 2005065, 3609117, 6015195, 18045585]

約数ペア:

[(1, 18045585), (3, 6015195), (5, 3609117), (9, 2005065), (15, 1203039), (17, 1061505), (27, 668355), (45, 401013), (51, 353835), (81, 222785), (85, 212301), (135, 133671), (153, 117945), (255, 70767), (405, 44557), (459, 39315), (765, 23589), (1377, 13105), (2295, 7863), (2621, 6885)]