156045309

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3797}}^1$

素因数の和:3929

約数の個数: 32

約数和(自身を含む): 252794880

約数和(自身を除く): 96749571

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1957, 2163, 3797, 5871, 11391, 13699, 26579, 41097, 72143, 79737, 216429, 391091, 505001, 1173273, 1515003, 2737637, 7430729, 8212911, 22292187, 52015103, 156045309]

約数ペア:

[(1, 156045309), (3, 52015103), (7, 22292187), (19, 8212911), (21, 7430729), (57, 2737637), (103, 1515003), (133, 1173273), (309, 505001), (399, 391091), (721, 216429), (1957, 79737), (2163, 72143), (3797, 41097), (5871, 26579), (11391, 13699)]