27805965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 25941747

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 431, 561, 759, 935, 1173, 1265, 1293, 1955, 2155, 2805, 3795, 4301, 4741, 5865, 6465, 7327, 9913, 12903, 14223, 21505, 21981, 23705, 29739, 36635, 49565, 64515, 71115, 80597, 109043, 109905, 148695, 168521, 241791, 327129, 402985, 505563, 545215, 842605, 1208955, 1635645, 1853731, 2527815, 5561193, 9268655, 27805965]

約数ペア:

[(1, 27805965), (3, 9268655), (5, 5561193), (11, 2527815), (15, 1853731), (17, 1635645), (23, 1208955), (33, 842605), (51, 545215), (55, 505563), (69, 402985), (85, 327129), (115, 241791), (165, 168521), (187, 148695), (253, 109905), (255, 109043), (345, 80597), (391, 71115), (431, 64515), (561, 49565), (759, 36635), (935, 29739), (1173, 23705), (1265, 21981), (1293, 21505), (1955, 14223), (2155, 12903), (2805, 9913), (3795, 7327), (4301, 6465), (4741, 5865)]