31415241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 51017472

約数和(自身を除く): 19602231

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 131, 143, 169, 393, 429, 473, 507, 559, 1419, 1441, 1677, 1703, 1859, 4323, 5109, 5577, 5633, 6149, 7267, 16899, 18447, 18733, 21801, 22139, 56199, 61963, 66417, 73229, 79937, 185889, 219687, 239811, 243529, 730587, 805519, 951977, 2416557, 2855931, 10471747, 31415241]

約数ペア:

[(1, 31415241), (3, 10471747), (11, 2855931), (13, 2416557), (33, 951977), (39, 805519), (43, 730587), (129, 243529), (131, 239811), (143, 219687), (169, 185889), (393, 79937), (429, 73229), (473, 66417), (507, 61963), (559, 56199), (1419, 22139), (1441, 21801), (1677, 18733), (1703, 18447), (1859, 16899), (4323, 7267), (5109, 6149), (5577, 5633)]