620199255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{138283}}^1$

素因数の和:138327

約数の個数: 32

約数和(自身を含む): 1115122176

約数和(自身を除く): 494922921

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 138283, 414849, 691415, 1797679, 2074245, 3180509, 5393037, 8988395, 9541527, 15902545, 26965185, 41346617, 47707635, 124039851, 206733085, 620199255]

約数ペア:

[(1, 620199255), (3, 206733085), (5, 124039851), (13, 47707635), (15, 41346617), (23, 26965185), (39, 15902545), (65, 9541527), (69, 8988395), (115, 5393037), (195, 3180509), (299, 2074245), (345, 1797679), (897, 691415), (1495, 414849), (4485, 138283)]