15919245

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 13870515

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 433, 645, 817, 855, 1299, 1935, 2165, 2451, 3897, 4085, 6495, 7353, 8227, 12255, 18619, 19485, 24681, 36765, 41135, 55857, 74043, 93095, 123405, 167571, 279285, 353761, 370215, 837855, 1061283, 1768805, 3183849, 5306415, 15919245]

約数ペア:

[(1, 15919245), (3, 5306415), (5, 3183849), (9, 1768805), (15, 1061283), (19, 837855), (43, 370215), (45, 353761), (57, 279285), (95, 167571), (129, 123405), (171, 93095), (215, 74043), (285, 55857), (387, 41135), (433, 36765), (645, 24681), (817, 19485), (855, 18619), (1299, 12255), (1935, 8227), (2165, 7353), (2451, 6495), (3897, 4085)]