1889755131

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{12791}}^1$

素因数の和:12864

約数の個数: 32

約数和(自身を含む): 2846578176

約数和(自身を除く): 956823045

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1331, 3993, 4477, 12791, 13431, 38373, 49247, 140701, 147741, 422103, 473267, 1419801, 1547711, 4643133, 5205937, 15617811, 17024821, 51074463, 57265307, 171795921, 629918377, 1889755131]

約数ペア:

[(1, 1889755131), (3, 629918377), (11, 171795921), (33, 57265307), (37, 51074463), (111, 17024821), (121, 15617811), (363, 5205937), (407, 4643133), (1221, 1547711), (1331, 1419801), (3993, 473267), (4477, 422103), (12791, 147741), (13431, 140701), (38373, 49247)]