828505215

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{87257}}^1$

素因数の和:87479

約数の個数: 24

約数和(自身を含む): 1442898288

約数和(自身を除く): 614393073

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 87257, 261771, 436285, 785313, 1308855, 3926565, 18411227, 55233681, 92056135, 165701043, 276168405, 828505215]

約数ペア:

[(1, 828505215), (3, 276168405), (5, 165701043), (9, 92056135), (15, 55233681), (45, 18411227), (211, 3926565), (633, 1308855), (1055, 785313), (1899, 436285), (3165, 261771), (9495, 87257)]