161762565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27581}}^1$

素因数の和:27629

約数の個数: 32

約数和(自身を含む): 285970176

約数和(自身を除く): 124207611

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 27581, 82743, 137905, 413715, 468877, 634363, 1406631, 1903089, 2344385, 3171815, 7033155, 9515445, 10784171, 32352513, 53920855, 161762565]

約数ペア:

[(1, 161762565), (3, 53920855), (5, 32352513), (15, 10784171), (17, 9515445), (23, 7033155), (51, 3171815), (69, 2344385), (85, 1903089), (115, 1406631), (255, 634363), (345, 468877), (391, 413715), (1173, 137905), (1955, 82743), (5865, 27581)]