155219911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 218453760

約数和(自身を除く): 63233849

約数列:

[1, 7, 11, 17, 19, 77, 79, 119, 133, 187, 209, 323, 553, 869, 1309, 1343, 1463, 1501, 2261, 3553, 6083, 6241, 9401, 10507, 14773, 16511, 24871, 25517, 43687, 68651, 103411, 106097, 115577, 118579, 178619, 280687, 480557, 742679, 830053, 1167067, 1304369, 1964809, 2015843, 8169469, 9130583, 14110901, 22174273, 155219911]

約数ペア:

[(1, 155219911), (7, 22174273), (11, 14110901), (17, 9130583), (19, 8169469), (77, 2015843), (79, 1964809), (119, 1304369), (133, 1167067), (187, 830053), (209, 742679), (323, 480557), (553, 280687), (869, 178619), (1309, 118579), (1343, 115577), (1463, 106097), (1501, 103411), (2261, 68651), (3553, 43687), (6083, 25517), (6241, 24871), (9401, 16511), (10507, 14773)]