18987495

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 31256064

約数和(自身を除く): 12268569

約数列:

[1, 3, 5, 15, 83, 101, 151, 249, 303, 415, 453, 505, 755, 1245, 1515, 2265, 8383, 12533, 15251, 25149, 37599, 41915, 45753, 62665, 76255, 125745, 187995, 228765, 1265833, 3797499, 6329165, 18987495]

約数ペア:

[(1, 18987495), (3, 6329165), (5, 3797499), (15, 1265833), (83, 228765), (101, 187995), (151, 125745), (249, 76255), (303, 62665), (415, 45753), (453, 41915), (505, 37599), (755, 25149), (1245, 15251), (1515, 12533), (2265, 8383)]