66940809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 99348480

約数和(自身を除く): 32407671

約数列:

[1, 3, 13, 39, 43, 129, 179, 223, 537, 559, 669, 1677, 2327, 2899, 6981, 7697, 8697, 9589, 23091, 28767, 39917, 100061, 119751, 124657, 300183, 373971, 518921, 1556763, 1716431, 5149293, 22313603, 66940809]

約数ペア:

[(1, 66940809), (3, 22313603), (13, 5149293), (39, 1716431), (43, 1556763), (129, 518921), (179, 373971), (223, 300183), (537, 124657), (559, 119751), (669, 100061), (1677, 39917), (2327, 28767), (2899, 23091), (6981, 9589), (7697, 8697)]