311973987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 502419456

約数和(自身を除く): 190445469

約数列:

[1, 3, 13, 17, 31, 39, 43, 51, 93, 129, 221, 353, 403, 527, 559, 663, 731, 1059, 1209, 1333, 1581, 1677, 2193, 3999, 4589, 6001, 6851, 9503, 10943, 13767, 15179, 17329, 18003, 20553, 22661, 28509, 32829, 45537, 51987, 67983, 78013, 142259, 186031, 197327, 234039, 258043, 294593, 426777, 470549, 558093, 591981, 774129, 883779, 1411647, 2418403, 3354559, 6117137, 7255209, 7999333, 10063677, 18351411, 23997999, 103991329, 311973987]

約数ペア:

[(1, 311973987), (3, 103991329), (13, 23997999), (17, 18351411), (31, 10063677), (39, 7999333), (43, 7255209), (51, 6117137), (93, 3354559), (129, 2418403), (221, 1411647), (353, 883779), (403, 774129), (527, 591981), (559, 558093), (663, 470549), (731, 426777), (1059, 294593), (1209, 258043), (1333, 234039), (1581, 197327), (1677, 186031), (2193, 142259), (3999, 78013), (4589, 67983), (6001, 51987), (6851, 45537), (9503, 32829), (10943, 28509), (13767, 22661), (15179, 20553), (17329, 18003)]