291330507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 425779200

約数和(自身を除く): 134448693

約数列:

[1, 3, 13, 39, 127, 131, 381, 393, 449, 1347, 1651, 1703, 4953, 5109, 5837, 16637, 17511, 49911, 57023, 58819, 171069, 176457, 216281, 648843, 741299, 764647, 2223897, 2293941, 7470013, 22410039, 97110169, 291330507]

約数ペア:

[(1, 291330507), (3, 97110169), (13, 22410039), (39, 7470013), (127, 2293941), (131, 2223897), (381, 764647), (393, 741299), (449, 648843), (1347, 216281), (1651, 176457), (1703, 171069), (4953, 58819), (5109, 57023), (5837, 49911), (16637, 17511)]