40215897

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 64995840

約数和(自身を除く): 24779943

約数列:

[1, 3, 9, 17, 31, 51, 61, 93, 139, 153, 183, 279, 417, 527, 549, 1037, 1251, 1581, 1891, 2363, 3111, 4309, 4743, 5673, 7089, 8479, 9333, 12927, 17019, 21267, 25437, 32147, 38781, 73253, 76311, 96441, 144143, 219759, 262849, 289323, 432429, 659277, 788547, 1297287, 2365641, 4468433, 13405299, 40215897]

約数ペア:

[(1, 40215897), (3, 13405299), (9, 4468433), (17, 2365641), (31, 1297287), (51, 788547), (61, 659277), (93, 432429), (139, 289323), (153, 262849), (183, 219759), (279, 144143), (417, 96441), (527, 76311), (549, 73253), (1037, 38781), (1251, 32147), (1581, 25437), (1891, 21267), (2363, 17019), (3111, 12927), (4309, 9333), (4743, 8479), (5673, 7089)]