161728665

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 326459520

約数和(自身を除く): 164730855

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 49, 57, 95, 105, 111, 133, 147, 185, 245, 259, 285, 313, 399, 555, 665, 703, 735, 777, 931, 939, 1295, 1565, 1813, 1995, 2109, 2191, 2793, 3515, 3885, 4655, 4695, 4921, 5439, 5947, 6573, 9065, 10545, 10955, 11581, 13965, 14763, 15337, 17841, 24605, 27195, 29735, 32865, 34447, 34743, 41629, 46011, 57905, 73815, 76685, 81067, 89205, 103341, 124887, 172235, 173715, 208145, 220039, 230055, 243201, 291403, 405335, 516705, 567469, 624435, 660117, 874209, 1100195, 1216005, 1457015, 1540273, 1702407, 2837345, 3300585, 4371045, 4620819, 7701365, 8512035, 10781911, 23104095, 32345733, 53909555, 161728665]

約数ペア:

[(1, 161728665), (3, 53909555), (5, 32345733), (7, 23104095), (15, 10781911), (19, 8512035), (21, 7701365), (35, 4620819), (37, 4371045), (49, 3300585), (57, 2837345), (95, 1702407), (105, 1540273), (111, 1457015), (133, 1216005), (147, 1100195), (185, 874209), (245, 660117), (259, 624435), (285, 567469), (313, 516705), (399, 405335), (555, 291403), (665, 243201), (703, 230055), (735, 220039), (777, 208145), (931, 173715), (939, 172235), (1295, 124887), (1565, 103341), (1813, 89205), (1995, 81067), (2109, 76685), (2191, 73815), (2793, 57905), (3515, 46011), (3885, 41629), (4655, 34743), (4695, 34447), (4921, 32865), (5439, 29735), (5947, 27195), (6573, 24605), (9065, 17841), (10545, 15337), (10955, 14763), (11581, 13965)]