28997085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 51327360

約数和(自身を除く): 22330275

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 4019, 7215, 12057, 20095, 52247, 60285, 148703, 156741, 261235, 446109, 743515, 783705, 1933139, 2230545, 5799417, 9665695, 28997085]

約数ペア:

[(1, 28997085), (3, 9665695), (5, 5799417), (13, 2230545), (15, 1933139), (37, 783705), (39, 743515), (65, 446109), (111, 261235), (185, 156741), (195, 148703), (481, 60285), (555, 52247), (1443, 20095), (2405, 12057), (4019, 7215)]