1991598345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{138739}}^1$

素因数の和:138790

約数の個数: 48

約数和(自身を含む): 3895819200

約数和(自身を除く): 1904220855

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2871, 4785, 14355, 138739, 416217, 693695, 1248651, 1526129, 2081085, 4023431, 4578387, 6243255, 7630645, 12070293, 13735161, 20117155, 22891935, 36210879, 44257741, 60351465, 68675805, 132773223, 181054395, 221288705, 398319669, 663866115, 1991598345]

約数ペア:

[(1, 1991598345), (3, 663866115), (5, 398319669), (9, 221288705), (11, 181054395), (15, 132773223), (29, 68675805), (33, 60351465), (45, 44257741), (55, 36210879), (87, 22891935), (99, 20117155), (145, 13735161), (165, 12070293), (261, 7630645), (319, 6243255), (435, 4578387), (495, 4023431), (957, 2081085), (1305, 1526129), (1595, 1248651), (2871, 693695), (4785, 416217), (14355, 138739)]