285417993

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 453902400

約数和(自身を除く): 168484407

約数列:

[1, 3, 7, 21, 49, 83, 147, 149, 157, 249, 447, 471, 581, 1043, 1099, 1743, 3129, 3297, 4067, 7301, 7693, 12201, 12367, 13031, 21903, 23079, 23393, 37101, 39093, 70179, 86569, 91217, 163751, 259707, 273651, 491253, 605983, 638519, 1146257, 1817949, 1915557, 1941619, 3438771, 5824857, 13591333, 40773999, 95139331, 285417993]

約数ペア:

[(1, 285417993), (3, 95139331), (7, 40773999), (21, 13591333), (49, 5824857), (83, 3438771), (147, 1941619), (149, 1915557), (157, 1817949), (249, 1146257), (447, 638519), (471, 605983), (581, 491253), (1043, 273651), (1099, 259707), (1743, 163751), (3129, 91217), (3297, 86569), (4067, 70179), (7301, 39093), (7693, 37101), (12201, 23393), (12367, 23079), (13031, 21903)]