201790725

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 344977920

約数和(自身を除く): 143187195

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 137, 205, 411, 479, 615, 685, 1025, 1437, 2055, 2395, 3075, 3425, 5617, 7185, 10275, 11975, 16851, 19639, 28085, 35925, 58917, 65623, 84255, 98195, 140425, 196869, 294585, 328115, 421275, 490975, 984345, 1472925, 1640575, 2690543, 4921725, 8071629, 13452715, 40358145, 67263575, 201790725]

約数ペア:

[(1, 201790725), (3, 67263575), (5, 40358145), (15, 13452715), (25, 8071629), (41, 4921725), (75, 2690543), (123, 1640575), (137, 1472925), (205, 984345), (411, 490975), (479, 421275), (615, 328115), (685, 294585), (1025, 196869), (1437, 140425), (2055, 98195), (2395, 84255), (3075, 65623), (3425, 58917), (5617, 35925), (7185, 28085), (10275, 19639), (11975, 16851)]