39987195

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 66411840

約数和(自身を除く): 26424645

約数列:

[1, 3, 5, 15, 37, 109, 111, 185, 327, 545, 555, 661, 1635, 1983, 3305, 4033, 9915, 12099, 20165, 24457, 60495, 72049, 73371, 122285, 216147, 360245, 366855, 1080735, 2665813, 7997439, 13329065, 39987195]

約数ペア:

[(1, 39987195), (3, 13329065), (5, 7997439), (15, 2665813), (37, 1080735), (109, 366855), (111, 360245), (185, 216147), (327, 122285), (545, 73371), (555, 72049), (661, 60495), (1635, 24457), (1983, 20165), (3305, 12099), (4033, 9915)]