266760921

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4937}}^1$

素因数の和:5061

約数の個数: 32

約数和(自身を含む): 424747008

約数和(自身を除く): 157986087

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 1743, 2573, 4937, 7719, 14811, 18011, 34559, 54033, 103677, 153047, 409771, 459141, 1071329, 1229313, 2868397, 3213987, 8605191, 12702901, 38108703, 88920307, 266760921]

約数ペア:

[(1, 266760921), (3, 88920307), (7, 38108703), (21, 12702901), (31, 8605191), (83, 3213987), (93, 2868397), (217, 1229313), (249, 1071329), (581, 459141), (651, 409771), (1743, 153047), (2573, 103677), (4937, 54033), (7719, 34559), (14811, 18011)]