25857765

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 25463835

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 593, 765, 855, 969, 1615, 1779, 2295, 2565, 2907, 2965, 4845, 5337, 8721, 8895, 10081, 11267, 14535, 16011, 26685, 30243, 33801, 43605, 50405, 56335, 80055, 90729, 101403, 151215, 169005, 191539, 272187, 304209, 453645, 507015, 574617, 957695, 1360935, 1521045, 1723851, 2873085, 5171553, 8619255, 25857765]

約数ペア:

[(1, 25857765), (3, 8619255), (5, 5171553), (9, 2873085), (15, 1723851), (17, 1521045), (19, 1360935), (27, 957695), (45, 574617), (51, 507015), (57, 453645), (85, 304209), (95, 272187), (135, 191539), (153, 169005), (171, 151215), (255, 101403), (285, 90729), (323, 80055), (459, 56335), (513, 50405), (593, 43605), (765, 33801), (855, 30243), (969, 26685), (1615, 16011), (1779, 14535), (2295, 11267), (2565, 10081), (2907, 8895), (2965, 8721), (4845, 5337)]