87561405

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3793}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 165721920

約数和(自身を除く): 78160515

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 3793, 4617, 7695, 11379, 18965, 23085, 34137, 56895, 72067, 102411, 170685, 216201, 307233, 360335, 512055, 648603, 921699, 1081005, 1536165, 1945809, 3243015, 4608495, 5837427, 9729045, 17512281, 29187135, 87561405]

約数ペア:

[(1, 87561405), (3, 29187135), (5, 17512281), (9, 9729045), (15, 5837427), (19, 4608495), (27, 3243015), (45, 1945809), (57, 1536165), (81, 1081005), (95, 921699), (135, 648603), (171, 512055), (243, 360335), (285, 307233), (405, 216201), (513, 170685), (855, 102411), (1215, 72067), (1539, 56895), (2565, 34137), (3793, 23085), (4617, 18965), (7695, 11379)]