211148973

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{90583}}^1$

素因数の和:90633

約数の個数: 24

約数和(自身を含む): 357987968

約数和(自身を除く): 146838995

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 90583, 271749, 634081, 815247, 1902243, 3351571, 5706729, 10054713, 23460997, 30164139, 70382991, 211148973]

約数ペア:

[(1, 211148973), (3, 70382991), (7, 30164139), (9, 23460997), (21, 10054713), (37, 5706729), (63, 3351571), (111, 1902243), (259, 815247), (333, 634081), (777, 271749), (2331, 90583)]