818424

素因数分解:

$2^3\times 3^5\times {\mathrm{421}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 2304120

約数和(自身を除く): 1485696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 421, 486, 648, 842, 972, 1263, 1684, 1944, 2526, 3368, 3789, 5052, 7578, 10104, 11367, 15156, 22734, 30312, 34101, 45468, 68202, 90936, 102303, 136404, 204606, 272808, 409212, 818424]

約数ペア:

[(1, 818424), (2, 409212), (3, 272808), (4, 204606), (6, 136404), (8, 102303), (9, 90936), (12, 68202), (18, 45468), (24, 34101), (27, 30312), (36, 22734), (54, 15156), (72, 11367), (81, 10104), (108, 7578), (162, 5052), (216, 3789), (243, 3368), (324, 2526), (421, 1944), (486, 1684), (648, 1263), (842, 972)]