51421215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1319}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 86676480

約数和(自身を除く): 35255265

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1319, 1695, 2599, 3957, 6595, 7797, 12995, 19785, 30337, 38985, 91011, 149047, 151685, 447141, 455055, 745235, 2235705, 3428081, 10284243, 17140405, 51421215]

約数ペア:

[(1, 51421215), (3, 17140405), (5, 10284243), (15, 3428081), (23, 2235705), (69, 745235), (113, 455055), (115, 447141), (339, 151685), (345, 149047), (565, 91011), (1319, 38985), (1695, 30337), (2599, 19785), (3957, 12995), (6595, 7797)]