15400203

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2969}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 11210997

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2969, 5187, 8907, 20783, 38597, 56411, 62349, 115791, 169233, 270179, 394877, 733343, 810537, 1184631, 2200029, 5133401, 15400203]

約数ペア:

[(1, 15400203), (3, 5133401), (7, 2200029), (13, 1184631), (19, 810537), (21, 733343), (39, 394877), (57, 270179), (91, 169233), (133, 115791), (247, 62349), (273, 56411), (399, 38597), (741, 20783), (1729, 8907), (2969, 5187)]