27179865

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 21881511

約数列:

[1, 3, 5, 9, 15, 45, 47, 71, 141, 181, 213, 235, 355, 423, 543, 639, 705, 905, 1065, 1629, 2115, 2715, 3195, 3337, 8145, 8507, 10011, 12851, 16685, 25521, 30033, 38553, 42535, 50055, 64255, 76563, 115659, 127605, 150165, 192765, 382815, 578295, 603997, 1811991, 3019985, 5435973, 9059955, 27179865]

約数ペア:

[(1, 27179865), (3, 9059955), (5, 5435973), (9, 3019985), (15, 1811991), (45, 603997), (47, 578295), (71, 382815), (141, 192765), (181, 150165), (213, 127605), (235, 115659), (355, 76563), (423, 64255), (543, 50055), (639, 42535), (705, 38553), (905, 30033), (1065, 25521), (1629, 16685), (2115, 12851), (2715, 10011), (3195, 8507), (3337, 8145)]