128440905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6737}}^1$

素因数の和:6817

約数の個数: 32

約数和(自身を含む): 217340928

約数和(自身を除く): 88900023

約数列:

[1, 3, 5, 15, 31, 41, 93, 123, 155, 205, 465, 615, 1271, 3813, 6355, 6737, 19065, 20211, 33685, 101055, 208847, 276217, 626541, 828651, 1044235, 1381085, 3132705, 4143255, 8562727, 25688181, 42813635, 128440905]

約数ペア:

[(1, 128440905), (3, 42813635), (5, 25688181), (15, 8562727), (31, 4143255), (41, 3132705), (93, 1381085), (123, 1044235), (155, 828651), (205, 626541), (465, 276217), (615, 208847), (1271, 101055), (3813, 33685), (6355, 20211), (6737, 19065)]