87631905

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 142700544

約数和(自身を除く): 55068639

約数列:

[1, 3, 5, 15, 127, 157, 293, 381, 471, 635, 785, 879, 1465, 1905, 2355, 4395, 19939, 37211, 46001, 59817, 99695, 111633, 138003, 186055, 230005, 299085, 558165, 690015, 5842127, 17526381, 29210635, 87631905]

約数ペア:

[(1, 87631905), (3, 29210635), (5, 17526381), (15, 5842127), (127, 690015), (157, 558165), (293, 299085), (381, 230005), (471, 186055), (635, 138003), (785, 111633), (879, 99695), (1465, 59817), (1905, 46001), (2355, 37211), (4395, 19939)]