31604445

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 29359395

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 153, 235, 255, 293, 423, 459, 705, 765, 799, 879, 1269, 1465, 2115, 2295, 2397, 2637, 3995, 4395, 4981, 6345, 7191, 7911, 11985, 13185, 13771, 14943, 21573, 24905, 35955, 39555, 41313, 44829, 68855, 74715, 107865, 123939, 134487, 206565, 224145, 234107, 371817, 619695, 672435, 702321, 1170535, 1859085, 2106963, 3511605, 6320889, 10534815, 31604445]

約数ペア:

[(1, 31604445), (3, 10534815), (5, 6320889), (9, 3511605), (15, 2106963), (17, 1859085), (27, 1170535), (45, 702321), (47, 672435), (51, 619695), (85, 371817), (135, 234107), (141, 224145), (153, 206565), (235, 134487), (255, 123939), (293, 107865), (423, 74715), (459, 68855), (705, 44829), (765, 41313), (799, 39555), (879, 35955), (1269, 24905), (1465, 21573), (2115, 14943), (2295, 13771), (2397, 13185), (2637, 11985), (3995, 7911), (4395, 7191), (4981, 6345)]