138906405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{971}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 279306144

約数和(自身を除く): 140399739

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 289, 495, 561, 765, 867, 935, 971, 1445, 1683, 2601, 2805, 2913, 3179, 4335, 4855, 8415, 8739, 9537, 10681, 13005, 14565, 15895, 16507, 28611, 32043, 43695, 47685, 49521, 53405, 82535, 96129, 143055, 148563, 160215, 181577, 247605, 280619, 480645, 544731, 742815, 841857, 907885, 1403095, 1634193, 2525571, 2723655, 3086809, 4209285, 8170965, 9260427, 12627855, 15434045, 27781281, 46302135, 138906405]

約数ペア:

[(1, 138906405), (3, 46302135), (5, 27781281), (9, 15434045), (11, 12627855), (15, 9260427), (17, 8170965), (33, 4209285), (45, 3086809), (51, 2723655), (55, 2525571), (85, 1634193), (99, 1403095), (153, 907885), (165, 841857), (187, 742815), (255, 544731), (289, 480645), (495, 280619), (561, 247605), (765, 181577), (867, 160215), (935, 148563), (971, 143055), (1445, 96129), (1683, 82535), (2601, 53405), (2805, 49521), (2913, 47685), (3179, 43695), (4335, 32043), (4855, 28611), (8415, 16507), (8739, 15895), (9537, 14565), (10681, 13005)]