28367715

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 18910365

約数列:

[1, 3, 5, 15, 37, 79, 111, 185, 237, 395, 555, 647, 1185, 1941, 2923, 3235, 8769, 9705, 14615, 23939, 43845, 51113, 71817, 119695, 153339, 255565, 359085, 766695, 1891181, 5673543, 9455905, 28367715]

約数ペア:

[(1, 28367715), (3, 9455905), (5, 5673543), (15, 1891181), (37, 766695), (79, 359085), (111, 255565), (185, 153339), (237, 119695), (395, 71817), (555, 51113), (647, 43845), (1185, 23939), (1941, 14615), (2923, 9705), (3235, 8769)]