203543991

素因数分解:

$3^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1151}}^1$

素因数の和:1572

約数の個数: 36

約数和(自身を含む): 343160064

約数和(自身を除く): 139616073

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 401, 441, 1151, 1203, 2807, 3453, 3609, 8057, 8421, 10359, 19649, 24171, 25263, 56399, 58947, 72513, 169197, 176841, 461551, 507591, 1384653, 3230857, 4153959, 9692571, 22615999, 29077713, 67847997, 203543991]

約数ペア:

[(1, 203543991), (3, 67847997), (7, 29077713), (9, 22615999), (21, 9692571), (49, 4153959), (63, 3230857), (147, 1384653), (401, 507591), (441, 461551), (1151, 176841), (1203, 169197), (2807, 72513), (3453, 58947), (3609, 56399), (8057, 25263), (8421, 24171), (10359, 19649)]