30921075

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2449

約数の個数: 48

約数和(自身を含む): 59817600

約数和(自身を除く): 28896525

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 1425, 2411, 2565, 4275, 7233, 12055, 12825, 21699, 36165, 45809, 60275, 65097, 108495, 137427, 180825, 229045, 325485, 412281, 542475, 687135, 1145225, 1236843, 1627425, 2061405, 3435675, 6184215, 10307025, 30921075]

約数ペア:

[(1, 30921075), (3, 10307025), (5, 6184215), (9, 3435675), (15, 2061405), (19, 1627425), (25, 1236843), (27, 1145225), (45, 687135), (57, 542475), (75, 412281), (95, 325485), (135, 229045), (171, 180825), (225, 137427), (285, 108495), (475, 65097), (513, 60275), (675, 45809), (855, 36165), (1425, 21699), (2411, 12825), (2565, 12055), (4275, 7233)]