27868659

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 21160461

約数列:

[1, 3, 7, 13, 21, 31, 37, 39, 89, 91, 93, 111, 217, 259, 267, 273, 403, 481, 623, 651, 777, 1147, 1157, 1209, 1443, 1869, 2759, 2821, 3293, 3367, 3441, 3471, 8029, 8099, 8277, 8463, 9879, 10101, 14911, 19313, 23051, 24087, 24297, 35867, 42809, 44733, 57939, 69153, 102083, 104377, 107601, 128427, 251069, 299663, 306249, 313131, 714581, 753207, 898989, 1327079, 2143743, 3981237, 9289553, 27868659]

約数ペア:

[(1, 27868659), (3, 9289553), (7, 3981237), (13, 2143743), (21, 1327079), (31, 898989), (37, 753207), (39, 714581), (89, 313131), (91, 306249), (93, 299663), (111, 251069), (217, 128427), (259, 107601), (267, 104377), (273, 102083), (403, 69153), (481, 57939), (623, 44733), (651, 42809), (777, 35867), (1147, 24297), (1157, 24087), (1209, 23051), (1443, 19313), (1869, 14911), (2759, 10101), (2821, 9879), (3293, 8463), (3367, 8277), (3441, 8099), (3471, 8029)]