81836985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 54243015

約数列:

[1, 3, 5, 15, 29, 87, 145, 419, 435, 449, 1257, 1347, 2095, 2245, 6285, 6735, 12151, 13021, 36453, 39063, 60755, 65105, 182265, 188131, 195315, 564393, 940655, 2821965, 5455799, 16367397, 27278995, 81836985]

約数ペア:

[(1, 81836985), (3, 27278995), (5, 16367397), (15, 5455799), (29, 2821965), (87, 940655), (145, 564393), (419, 195315), (435, 188131), (449, 182265), (1257, 65105), (1347, 60755), (2095, 39063), (2245, 36453), (6285, 13021), (6735, 12151)]