42172221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 27500739

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 863, 1253, 2327, 2589, 3759, 6041, 6981, 11219, 16289, 18123, 33657, 48867, 78533, 154477, 235599, 463431, 1081339, 2008201, 3244017, 6024603, 14057407, 42172221]

約数ペア:

[(1, 42172221), (3, 14057407), (7, 6024603), (13, 3244017), (21, 2008201), (39, 1081339), (91, 463431), (179, 235599), (273, 154477), (537, 78533), (863, 48867), (1253, 33657), (2327, 18123), (2589, 16289), (3759, 11219), (6041, 6981)]