289069767

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{3229}}^1$

素因数の和:3285

約数の個数: 48

約数和(自身を含む): 503880000

約数和(自身を除く): 214810233

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 343, 441, 609, 1029, 1421, 1827, 3087, 3229, 4263, 9687, 9947, 12789, 22603, 29061, 29841, 67809, 89523, 93641, 158221, 203427, 280923, 474663, 655487, 842769, 1107547, 1423989, 1966461, 3322641, 4588409, 5899383, 9967923, 13765227, 32118863, 41295681, 96356589, 289069767]

約数ペア:

[(1, 289069767), (3, 96356589), (7, 41295681), (9, 32118863), (21, 13765227), (29, 9967923), (49, 5899383), (63, 4588409), (87, 3322641), (147, 1966461), (203, 1423989), (261, 1107547), (343, 842769), (441, 655487), (609, 474663), (1029, 280923), (1421, 203427), (1827, 158221), (3087, 93641), (3229, 89523), (4263, 67809), (9687, 29841), (9947, 29061), (12789, 22603)]