128974395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{1429}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 225688320

約数和(自身を除く): 96713925

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 547, 1429, 1641, 2735, 4287, 6017, 7145, 8205, 15719, 18051, 21435, 30085, 47157, 78595, 90255, 235785, 781663, 2344989, 3908315, 8598293, 11724945, 25794879, 42991465, 128974395]

約数ペア:

[(1, 128974395), (3, 42991465), (5, 25794879), (11, 11724945), (15, 8598293), (33, 3908315), (55, 2344989), (165, 781663), (547, 235785), (1429, 90255), (1641, 78595), (2735, 47157), (4287, 30085), (6017, 21435), (7145, 18051), (8205, 15719)]