31309395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 54227712

約数和(自身を除く): 22918317

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 523, 921, 1535, 1569, 2615, 3991, 4605, 6799, 7845, 11973, 19955, 20397, 33995, 59865, 101985, 160561, 481683, 802805, 2087293, 2408415, 6261879, 10436465, 31309395]

約数ペア:

[(1, 31309395), (3, 10436465), (5, 6261879), (13, 2408415), (15, 2087293), (39, 802805), (65, 481683), (195, 160561), (307, 101985), (523, 59865), (921, 33995), (1535, 20397), (1569, 19955), (2615, 11973), (3991, 7845), (4605, 6799)]