51195921

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 80871168

約数和(自身を除く): 29675247

約数列:

[1, 3, 7, 21, 41, 97, 123, 287, 291, 613, 679, 861, 1839, 2037, 3977, 4291, 11931, 12873, 25133, 27839, 59461, 75399, 83517, 175931, 178383, 416227, 527793, 1248681, 2437901, 7313703, 17065307, 51195921]

約数ペア:

[(1, 51195921), (3, 17065307), (7, 7313703), (21, 2437901), (41, 1248681), (97, 527793), (123, 416227), (287, 178383), (291, 175931), (613, 83517), (679, 75399), (861, 59461), (1839, 27839), (2037, 25133), (3977, 12873), (4291, 11931)]