75009015

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 139703616

約数和(自身を除く): 64694601

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 1065, 1207, 1381, 3195, 3621, 4143, 6035, 6905, 10863, 12429, 18105, 20715, 23477, 54315, 62145, 70431, 98051, 117385, 211293, 294153, 352155, 490255, 882459, 1056465, 1470765, 1666867, 4412295, 5000601, 8334335, 15001803, 25003005, 75009015]

約数ペア:

[(1, 75009015), (3, 25003005), (5, 15001803), (9, 8334335), (15, 5000601), (17, 4412295), (45, 1666867), (51, 1470765), (71, 1056465), (85, 882459), (153, 490255), (213, 352155), (255, 294153), (355, 211293), (639, 117385), (765, 98051), (1065, 70431), (1207, 62145), (1381, 54315), (3195, 23477), (3621, 20715), (4143, 18105), (6035, 12429), (6905, 10863)]