31856909

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 18

約数和(自身を含む): 38770830

約数和(自身を除く): 6913921

約数列:

[1, 7, 23, 49, 161, 529, 1127, 1229, 3703, 8603, 25921, 28267, 60221, 197869, 650141, 1385083, 4550987, 31856909]

約数ペア:

[(1, 31856909), (7, 4550987), (23, 1385083), (49, 650141), (161, 197869), (529, 60221), (1127, 28267), (1229, 25921), (3703, 8603)]