74989485

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 137779200

約数和(自身を除く): 62789715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 229, 285, 383, 687, 855, 1145, 1149, 1915, 2061, 3435, 3447, 4351, 5745, 7277, 10305, 13053, 17235, 21755, 21831, 36385, 39159, 65265, 65493, 87707, 109155, 195795, 263121, 327465, 438535, 789363, 1315605, 1666433, 3946815, 4999299, 8332165, 14997897, 24996495, 74989485]

約数ペア:

[(1, 74989485), (3, 24996495), (5, 14997897), (9, 8332165), (15, 4999299), (19, 3946815), (45, 1666433), (57, 1315605), (95, 789363), (171, 438535), (229, 327465), (285, 263121), (383, 195795), (687, 109155), (855, 87707), (1145, 65493), (1149, 65265), (1915, 39159), (2061, 36385), (3435, 21831), (3447, 21755), (4351, 17235), (5745, 13053), (7277, 10305)]