157212741

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6977}}^1$

素因数の和:7053

約数の個数: 32

約数和(自身を含む): 254557440

約数和(自身を除く): 97344699

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 1073, 3219, 6977, 7511, 20931, 22533, 48839, 146517, 202333, 258149, 606999, 774447, 1416331, 1807043, 4248993, 5421129, 7486321, 22458963, 52404247, 157212741]

約数ペア:

[(1, 157212741), (3, 52404247), (7, 22458963), (21, 7486321), (29, 5421129), (37, 4248993), (87, 1807043), (111, 1416331), (203, 774447), (259, 606999), (609, 258149), (777, 202333), (1073, 146517), (3219, 48839), (6977, 22533), (7511, 20931)]