156715905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12277}}^1$

素因数の和:12345

約数の個数: 32

約数和(自身を含む): 268740864

約数和(自身を除く): 112024959

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12277, 12765, 36831, 61385, 184155, 282371, 454249, 847113, 1362747, 1411855, 2271245, 4235565, 6813735, 10447727, 31343181, 52238635, 156715905]

約数ペア:

[(1, 156715905), (3, 52238635), (5, 31343181), (15, 10447727), (23, 6813735), (37, 4235565), (69, 2271245), (111, 1411855), (115, 1362747), (185, 847113), (345, 454249), (555, 282371), (851, 184155), (2553, 61385), (4255, 36831), (12277, 12765)]