15304861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 19514880

約数和(自身を除く): 4210019

約数列:

[1, 11, 13, 19, 43, 131, 143, 209, 247, 473, 559, 817, 1441, 1703, 2489, 2717, 5633, 6149, 8987, 10621, 18733, 27379, 32357, 61963, 73229, 107027, 116831, 355927, 805519, 1177297, 1391351, 15304861]

約数ペア:

[(1, 15304861), (11, 1391351), (13, 1177297), (19, 805519), (43, 355927), (131, 116831), (143, 107027), (209, 73229), (247, 61963), (473, 32357), (559, 27379), (817, 18733), (1441, 10621), (1703, 8987), (2489, 6149), (2717, 5633)]