451215

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 806208

約数和(自身を除く): 354993

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 271, 333, 555, 813, 1355, 1665, 2439, 4065, 10027, 12195, 30081, 50135, 90243, 150405, 451215]

約数ペア:

[(1, 451215), (3, 150405), (5, 90243), (9, 50135), (15, 30081), (37, 12195), (45, 10027), (111, 4065), (185, 2439), (271, 1665), (333, 1355), (555, 813)]