201601665

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 359216208

約数和(自身を除く): 157614543

約数列:

[1, 3, 5, 9, 15, 45, 53, 137, 159, 265, 411, 477, 617, 685, 795, 1233, 1851, 2055, 2385, 3085, 5553, 6165, 7261, 9255, 21783, 27765, 32701, 36305, 65349, 84529, 98103, 108915, 163505, 253587, 294309, 326745, 422645, 490515, 760761, 1267935, 1471545, 3803805, 4480037, 13440111, 22400185, 40320333, 67200555, 201601665]

約数ペア:

[(1, 201601665), (3, 67200555), (5, 40320333), (9, 22400185), (15, 13440111), (45, 4480037), (53, 3803805), (137, 1471545), (159, 1267935), (265, 760761), (411, 490515), (477, 422645), (617, 326745), (685, 294309), (795, 253587), (1233, 163505), (1851, 108915), (2055, 98103), (2385, 84529), (3085, 65349), (5553, 36305), (6165, 32701), (7261, 27765), (9255, 21783)]