207399507

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 343504800

約数和(自身を除く): 136105293

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 149, 357, 447, 557, 833, 1043, 1671, 2499, 2533, 3129, 3899, 7301, 7599, 9469, 11697, 17731, 21903, 27293, 28407, 53193, 66283, 81879, 82993, 124117, 198849, 248979, 372351, 463981, 580951, 1391943, 1410881, 1742853, 4066657, 4232643, 9876167, 12199971, 29628501, 69133169, 207399507]

約数ペア:

[(1, 207399507), (3, 69133169), (7, 29628501), (17, 12199971), (21, 9876167), (49, 4232643), (51, 4066657), (119, 1742853), (147, 1410881), (149, 1391943), (357, 580951), (447, 463981), (557, 372351), (833, 248979), (1043, 198849), (1671, 124117), (2499, 82993), (2533, 81879), (3129, 66283), (3899, 53193), (7301, 28407), (7599, 27293), (9469, 21903), (11697, 17731)]