161879571

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{38351}}^1$

素因数の和:38431

約数の個数: 24

約数和(自身を含む): 271225344

約数和(自身を除く): 109345773

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 38351, 115053, 268457, 345159, 805371, 2416113, 2569517, 7708551, 17986619, 23125653, 53959857, 161879571]

約数ペア:

[(1, 161879571), (3, 53959857), (7, 23125653), (9, 17986619), (21, 7708551), (63, 2569517), (67, 2416113), (201, 805371), (469, 345159), (603, 268457), (1407, 115053), (4221, 38351)]