209539743

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 324172800

約数和(自身を除く): 114633057

約数列:

[1, 3, 7, 21, 149, 167, 401, 447, 501, 1043, 1169, 1203, 2807, 3129, 3507, 8421, 24883, 59749, 66967, 74649, 174181, 179247, 200901, 418243, 468769, 522543, 1254729, 1406307, 9978083, 29934249, 69846581, 209539743]

約数ペア:

[(1, 209539743), (3, 69846581), (7, 29934249), (21, 9978083), (149, 1406307), (167, 1254729), (401, 522543), (447, 468769), (501, 418243), (1043, 200901), (1169, 179247), (1203, 174181), (2807, 74649), (3129, 66967), (3507, 59749), (8421, 24883)]