31808049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 55566336

約数和(自身を除く): 23758287

約数列:

[1, 3, 7, 13, 21, 37, 39, 47, 67, 91, 111, 141, 201, 259, 273, 329, 469, 481, 611, 777, 871, 987, 1407, 1443, 1739, 1833, 2479, 2613, 3149, 3367, 4277, 5217, 6097, 7437, 9447, 10101, 12173, 12831, 17353, 18291, 22043, 22607, 32227, 36519, 40937, 52059, 66129, 67821, 96681, 116513, 122811, 158249, 225589, 286559, 349539, 474747, 676767, 815591, 859677, 1514669, 2446773, 4544007, 10602683, 31808049]

約数ペア:

[(1, 31808049), (3, 10602683), (7, 4544007), (13, 2446773), (21, 1514669), (37, 859677), (39, 815591), (47, 676767), (67, 474747), (91, 349539), (111, 286559), (141, 225589), (201, 158249), (259, 122811), (273, 116513), (329, 96681), (469, 67821), (481, 66129), (611, 52059), (777, 40937), (871, 36519), (987, 32227), (1407, 22607), (1443, 22043), (1739, 18291), (1833, 17353), (2479, 12831), (2613, 12173), (3149, 10101), (3367, 9447), (4277, 7437), (5217, 6097)]