128525901

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3121}}^1$

素因数の和:3221

約数の個数: 32

約数和(自身を含む): 205003008

約数和(自身を除く): 76477107

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 1113, 1961, 3121, 5883, 9363, 13727, 21847, 41181, 65541, 115477, 165413, 346431, 496239, 808339, 1157891, 2425017, 3473673, 6120281, 18360843, 42841967, 128525901]

約数ペア:

[(1, 128525901), (3, 42841967), (7, 18360843), (21, 6120281), (37, 3473673), (53, 2425017), (111, 1157891), (159, 808339), (259, 496239), (371, 346431), (777, 165413), (1113, 115477), (1961, 65541), (3121, 41181), (5883, 21847), (9363, 13727)]