72785559

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 121430016

約数和(自身を除く): 48644457

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 487, 647, 1461, 1941, 3409, 4529, 5357, 7117, 10227, 13587, 16071, 21351, 37499, 49819, 112497, 149457, 315089, 945267, 2205623, 3465979, 6616869, 10397937, 24261853, 72785559]

約数ペア:

[(1, 72785559), (3, 24261853), (7, 10397937), (11, 6616869), (21, 3465979), (33, 2205623), (77, 945267), (231, 315089), (487, 149457), (647, 112497), (1461, 49819), (1941, 37499), (3409, 21351), (4529, 16071), (5357, 13587), (7117, 10227)]