127897209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12791}}^1$

素因数の和:12909

約数の個数: 24

約数和(自身を含む): 203546304

約数和(自身を除く): 75649095

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999, 12791, 38373, 115119, 140701, 422103, 1266309, 1291891, 3875673, 11627019, 14210801, 42632403, 127897209]

約数ペア:

[(1, 127897209), (3, 42632403), (9, 14210801), (11, 11627019), (33, 3875673), (99, 1291891), (101, 1266309), (303, 422103), (909, 140701), (1111, 115119), (3333, 38373), (9999, 12791)]