180451665

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8971}}^1$

素因数の和:9134

約数の個数: 32

約数和(自身を含む): 322992000

約数和(自身を除く): 142540335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 8971, 20115, 26913, 44855, 80739, 134565, 242217, 403695, 1211085, 1336679, 4010037, 6683395, 12030111, 20050185, 36090333, 60150555, 180451665]

約数ペア:

[(1, 180451665), (3, 60150555), (5, 36090333), (9, 20050185), (15, 12030111), (27, 6683395), (45, 4010037), (135, 1336679), (149, 1211085), (447, 403695), (745, 242217), (1341, 134565), (2235, 80739), (4023, 44855), (6705, 26913), (8971, 20115)]