172080249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 83663751

約数列:

[1, 3, 11, 33, 79, 149, 237, 443, 447, 869, 1329, 1639, 2607, 4873, 4917, 11771, 14619, 34997, 35313, 66007, 104991, 129481, 198021, 384967, 388443, 726077, 1154901, 2178231, 5214553, 15643659, 57360083, 172080249]

約数ペア:

[(1, 172080249), (3, 57360083), (11, 15643659), (33, 5214553), (79, 2178231), (149, 1154901), (237, 726077), (443, 388443), (447, 384967), (869, 198021), (1329, 129481), (1639, 104991), (2607, 66007), (4873, 35313), (4917, 34997), (11771, 14619)]