131158737

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 201600000

約数和(自身を除く): 70441263

約数列:

[1, 3, 9, 27, 31, 93, 279, 349, 449, 837, 1047, 1347, 3141, 4041, 9423, 10819, 12123, 13919, 32457, 41757, 97371, 125271, 156701, 292113, 375813, 470103, 1410309, 4230927, 4857731, 14573193, 43719579, 131158737]

約数ペア:

[(1, 131158737), (3, 43719579), (9, 14573193), (27, 4857731), (31, 4230927), (93, 1410309), (279, 470103), (349, 375813), (449, 292113), (837, 156701), (1047, 125271), (1347, 97371), (3141, 41757), (4041, 32457), (9423, 13919), (10819, 12123)]