280178295

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{3019}}^1$

素因数の和:3319

約数の個数: 32

約数和(自身を含む): 469670400

約数和(自身を除く): 189492105

約数列:

[1, 3, 5, 15, 23, 69, 115, 269, 345, 807, 1345, 3019, 4035, 6187, 9057, 15095, 18561, 30935, 45285, 69437, 92805, 208311, 347185, 812111, 1041555, 2436333, 4060555, 12181665, 18678553, 56035659, 93392765, 280178295]

約数ペア:

[(1, 280178295), (3, 93392765), (5, 56035659), (15, 18678553), (23, 12181665), (69, 4060555), (115, 2436333), (269, 1041555), (345, 812111), (807, 347185), (1345, 208311), (3019, 92805), (4035, 69437), (6187, 45285), (9057, 30935), (15095, 18561)]