210003409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 291271680

約数和(自身を除く): 81268271

約数列:

[1, 7, 11, 19, 23, 77, 79, 133, 161, 209, 253, 437, 553, 869, 1463, 1501, 1771, 1817, 3059, 4807, 6083, 6241, 10507, 12719, 16511, 19987, 33649, 34523, 43687, 68651, 115577, 118579, 139909, 143543, 241661, 379753, 480557, 830053, 1004801, 1304369, 1578973, 2658271, 2727317, 9130583, 11052811, 19091219, 30000487, 210003409]

約数ペア:

[(1, 210003409), (7, 30000487), (11, 19091219), (19, 11052811), (23, 9130583), (77, 2727317), (79, 2658271), (133, 1578973), (161, 1304369), (209, 1004801), (253, 830053), (437, 480557), (553, 379753), (869, 241661), (1463, 143543), (1501, 139909), (1771, 118579), (1817, 115577), (3059, 68651), (4807, 43687), (6083, 34523), (6241, 33649), (10507, 19987), (12719, 16511)]