420121269

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{4691}}^1$

素因数の和:4838

約数の個数: 32

約数和(自身を含む): 648622080

約数和(自身を除く): 228500811

約数列:

[1, 3, 9, 27, 31, 93, 107, 279, 321, 837, 963, 2889, 3317, 4691, 9951, 14073, 29853, 42219, 89559, 126657, 145421, 436263, 501937, 1308789, 1505811, 3926367, 4517433, 13552299, 15560047, 46680141, 140040423, 420121269]

約数ペア:

[(1, 420121269), (3, 140040423), (9, 46680141), (27, 15560047), (31, 13552299), (93, 4517433), (107, 3926367), (279, 1505811), (321, 1308789), (837, 501937), (963, 436263), (2889, 145421), (3317, 126657), (4691, 89559), (9951, 42219), (14073, 29853)]