219551475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1861}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 429913456

約数和(自身を除く): 210361981

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 121, 143, 165, 195, 275, 325, 363, 429, 605, 715, 825, 975, 1573, 1815, 1861, 2145, 3025, 3575, 4719, 5583, 7865, 9075, 9305, 10725, 20471, 23595, 24193, 27915, 39325, 46525, 61413, 72579, 102355, 117975, 120965, 139575, 225181, 266123, 307065, 362895, 511775, 604825, 675543, 798369, 1125905, 1330615, 1535325, 1814475, 2927353, 3377715, 3991845, 5629525, 6653075, 8782059, 14636765, 16888575, 19959225, 43910295, 73183825, 219551475]

約数ペア:

[(1, 219551475), (3, 73183825), (5, 43910295), (11, 19959225), (13, 16888575), (15, 14636765), (25, 8782059), (33, 6653075), (39, 5629525), (55, 3991845), (65, 3377715), (75, 2927353), (121, 1814475), (143, 1535325), (165, 1330615), (195, 1125905), (275, 798369), (325, 675543), (363, 604825), (429, 511775), (605, 362895), (715, 307065), (825, 266123), (975, 225181), (1573, 139575), (1815, 120965), (1861, 117975), (2145, 102355), (3025, 72579), (3575, 61413), (4719, 46525), (5583, 39325), (7865, 27915), (9075, 24193), (9305, 23595), (10725, 20471)]