221036211

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 359948160

約数和(自身を除く): 138911949

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 137, 379, 387, 411, 473, 1137, 1233, 1419, 1507, 3411, 4169, 4257, 4521, 5891, 12507, 13563, 16297, 17673, 37521, 48891, 51923, 53019, 64801, 146673, 155769, 179267, 194403, 467307, 537801, 571153, 583209, 1613403, 1713459, 2232689, 5140377, 6698067, 20094201, 24559579, 73678737, 221036211]

約数ペア:

[(1, 221036211), (3, 73678737), (9, 24559579), (11, 20094201), (33, 6698067), (43, 5140377), (99, 2232689), (129, 1713459), (137, 1613403), (379, 583209), (387, 571153), (411, 537801), (473, 467307), (1137, 194403), (1233, 179267), (1419, 155769), (1507, 146673), (3411, 64801), (4169, 53019), (4257, 51923), (4521, 48891), (5891, 37521), (12507, 17673), (13563, 16297)]