30831915

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:879

約数の個数: 32

約数和(自身を含む): 51425856

約数和(自身を除く): 20593941

約数列:

[1, 3, 5, 15, 37, 73, 111, 185, 219, 365, 555, 761, 1095, 2283, 2701, 3805, 8103, 11415, 13505, 28157, 40515, 55553, 84471, 140785, 166659, 277765, 422355, 833295, 2055461, 6166383, 10277305, 30831915]

約数ペア:

[(1, 30831915), (3, 10277305), (5, 6166383), (15, 2055461), (37, 833295), (73, 422355), (111, 277765), (185, 166659), (219, 140785), (365, 84471), (555, 55553), (761, 40515), (1095, 28157), (2283, 13505), (2701, 11415), (3805, 8103)]