31183470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{823}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 81368352

約数和(自身を除く): 50184882

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 421, 823, 842, 1263, 1646, 2105, 2469, 2526, 3789, 4115, 4210, 4938, 6315, 7407, 7578, 8230, 12345, 12630, 14814, 18945, 24690, 37035, 37890, 74070, 346483, 692966, 1039449, 1732415, 2078898, 3118347, 3464830, 5197245, 6236694, 10394490, 15591735, 31183470]

約数ペア:

[(1, 31183470), (2, 15591735), (3, 10394490), (5, 6236694), (6, 5197245), (9, 3464830), (10, 3118347), (15, 2078898), (18, 1732415), (30, 1039449), (45, 692966), (90, 346483), (421, 74070), (823, 37890), (842, 37035), (1263, 24690), (1646, 18945), (2105, 14814), (2469, 12630), (2526, 12345), (3789, 8230), (4115, 7578), (4210, 7407), (4938, 6315)]