820596369

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 1167989760

約数和(自身を除く): 347393391

約数列:

[1, 3, 23, 67, 69, 139, 201, 417, 1277, 1541, 3197, 3831, 4623, 9313, 9591, 27939, 29371, 85559, 88113, 177503, 214199, 256677, 532509, 642597, 1967857, 4082569, 5903571, 11892701, 12247707, 35678103, 273532123, 820596369]

約数ペア:

[(1, 820596369), (3, 273532123), (23, 35678103), (67, 12247707), (69, 11892701), (139, 5903571), (201, 4082569), (417, 1967857), (1277, 642597), (1541, 532509), (3197, 256677), (3831, 214199), (4623, 177503), (9313, 88113), (9591, 85559), (27939, 29371)]