206865015

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 398745600

約数和(自身を除く): 191880585

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 343, 465, 651, 735, 1029, 1085, 1297, 1519, 1715, 3255, 3891, 4557, 5145, 6485, 7595, 9079, 10633, 19455, 22785, 27237, 31899, 40207, 45395, 53165, 63553, 120621, 136185, 159495, 190659, 201035, 281449, 317765, 444871, 603105, 844347, 953295, 1334613, 1407245, 1970143, 2224355, 4221735, 5910429, 6673065, 9850715, 13791001, 29552145, 41373003, 68955005, 206865015]

約数ペア:

[(1, 206865015), (3, 68955005), (5, 41373003), (7, 29552145), (15, 13791001), (21, 9850715), (31, 6673065), (35, 5910429), (49, 4221735), (93, 2224355), (105, 1970143), (147, 1407245), (155, 1334613), (217, 953295), (245, 844347), (343, 603105), (465, 444871), (651, 317765), (735, 281449), (1029, 201035), (1085, 190659), (1297, 159495), (1519, 136185), (1715, 120621), (3255, 63553), (3891, 53165), (4557, 45395), (5145, 40207), (6485, 31899), (7595, 27237), (9079, 22785), (10633, 19455)]