11915679

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 17856000

約数和(自身を除く): 5940321

約数列:

[1, 3, 19, 23, 57, 61, 69, 149, 183, 437, 447, 1159, 1311, 1403, 2831, 3427, 3477, 4209, 8493, 9089, 10281, 26657, 27267, 65113, 79971, 172691, 195339, 209047, 518073, 627141, 3971893, 11915679]

約数ペア:

[(1, 11915679), (3, 3971893), (19, 627141), (23, 518073), (57, 209047), (61, 195339), (69, 172691), (149, 79971), (183, 65113), (437, 27267), (447, 26657), (1159, 10281), (1311, 9089), (1403, 8493), (2831, 4209), (3427, 3477)]