1235985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 2166912

約数和(自身を除く): 930927

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 131, 185, 255, 393, 555, 629, 655, 1887, 1965, 2227, 3145, 4847, 6681, 9435, 11135, 14541, 24235, 33405, 72705, 82399, 247197, 411995, 1235985]

約数ペア:

[(1, 1235985), (3, 411995), (5, 247197), (15, 82399), (17, 72705), (37, 33405), (51, 24235), (85, 14541), (111, 11135), (131, 9435), (185, 6681), (255, 4847), (393, 3145), (555, 2227), (629, 1965), (655, 1887)]