216702969

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1847}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 341569536

約数和(自身を除く): 124866567

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 453, 777, 1057, 1847, 3171, 5541, 5587, 12929, 16761, 38787, 39109, 68339, 117327, 205017, 278897, 478373, 836691, 1435119, 1952279, 5856837, 10319189, 30957567, 72234323, 216702969]

約数ペア:

[(1, 216702969), (3, 72234323), (7, 30957567), (21, 10319189), (37, 5856837), (111, 1952279), (151, 1435119), (259, 836691), (453, 478373), (777, 278897), (1057, 205017), (1847, 117327), (3171, 68339), (5541, 39109), (5587, 38787), (12929, 16761)]