78578913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4233

約数の個数: 32

約数和(自身を含む): 129206016

約数和(自身を除く): 50627103

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 4153, 6307, 12459, 18921, 29071, 70601, 87213, 211803, 220109, 494207, 660327, 1482621, 1540763, 3741853, 4622289, 11225559, 26192971, 78578913]

約数ペア:

[(1, 78578913), (3, 26192971), (7, 11225559), (17, 4622289), (21, 3741853), (51, 1540763), (53, 1482621), (119, 660327), (159, 494207), (357, 220109), (371, 211803), (901, 87213), (1113, 70601), (2703, 29071), (4153, 18921), (6307, 12459)]