15552621

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 28569600

約数和(自身を除く): 13016979

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 61, 63, 71, 133, 171, 183, 189, 213, 399, 427, 497, 513, 549, 639, 1159, 1197, 1281, 1349, 1491, 1647, 1917, 3477, 3591, 3843, 4047, 4331, 4473, 8113, 9443, 10431, 11529, 12141, 12993, 13419, 24339, 28329, 30317, 31293, 36423, 38979, 73017, 82289, 84987, 90951, 116937, 219051, 246867, 254961, 272853, 576023, 740601, 818559, 1728069, 2221803, 5184207, 15552621]

約数ペア:

[(1, 15552621), (3, 5184207), (7, 2221803), (9, 1728069), (19, 818559), (21, 740601), (27, 576023), (57, 272853), (61, 254961), (63, 246867), (71, 219051), (133, 116937), (171, 90951), (183, 84987), (189, 82289), (213, 73017), (399, 38979), (427, 36423), (497, 31293), (513, 30317), (549, 28329), (639, 24339), (1159, 13419), (1197, 12993), (1281, 12141), (1349, 11529), (1491, 10431), (1647, 9443), (1917, 8113), (3477, 4473), (3591, 4331), (3843, 4047)]