15591381

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 24071040

約数和(自身を除く): 8479659

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 397, 689, 741, 1007, 1191, 2067, 3021, 5161, 7543, 13091, 15483, 21041, 22629, 39273, 63123, 98059, 273533, 294177, 399779, 820599, 1199337, 5197127, 15591381]

約数ペア:

[(1, 15591381), (3, 5197127), (13, 1199337), (19, 820599), (39, 399779), (53, 294177), (57, 273533), (159, 98059), (247, 63123), (397, 39273), (689, 22629), (741, 21041), (1007, 15483), (1191, 13091), (2067, 7543), (3021, 5161)]