1621155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 2801664

約数和(自身を除く): 1180509

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 127, 185, 345, 381, 555, 635, 851, 1905, 2553, 2921, 4255, 4699, 8763, 12765, 14097, 14605, 23495, 43815, 70485, 108077, 324231, 540385, 1621155]

約数ペア:

[(1, 1621155), (3, 540385), (5, 324231), (15, 108077), (23, 70485), (37, 43815), (69, 23495), (111, 14605), (115, 14097), (127, 12765), (185, 8763), (345, 4699), (381, 4255), (555, 2921), (635, 2553), (851, 1905)]