188210145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 340899840

約数和(自身を除く): 152689695

約数列:

[1, 3, 5, 15, 17, 29, 31, 51, 85, 87, 93, 145, 155, 255, 435, 465, 493, 527, 821, 899, 1479, 1581, 2463, 2465, 2635, 2697, 4105, 4495, 7395, 7905, 12315, 13485, 13957, 15283, 23809, 25451, 41871, 45849, 69785, 71427, 76353, 76415, 119045, 127255, 209355, 229245, 357135, 381765, 404753, 432667, 738079, 1214259, 1298001, 2023765, 2163335, 2214237, 3690395, 6071295, 6490005, 11071185, 12547343, 37642029, 62736715, 188210145]

約数ペア:

[(1, 188210145), (3, 62736715), (5, 37642029), (15, 12547343), (17, 11071185), (29, 6490005), (31, 6071295), (51, 3690395), (85, 2214237), (87, 2163335), (93, 2023765), (145, 1298001), (155, 1214259), (255, 738079), (435, 432667), (465, 404753), (493, 381765), (527, 357135), (821, 229245), (899, 209355), (1479, 127255), (1581, 119045), (2463, 76415), (2465, 76353), (2635, 71427), (2697, 69785), (4105, 45849), (4495, 41871), (7395, 25451), (7905, 23809), (12315, 15283), (13485, 13957)]