27899805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 22861923

約数列:

[1, 3, 5, 15, 17, 23, 51, 67, 69, 71, 85, 115, 201, 213, 255, 335, 345, 355, 391, 1005, 1065, 1139, 1173, 1207, 1541, 1633, 1955, 3417, 3621, 4623, 4757, 4899, 5695, 5865, 6035, 7705, 8165, 14271, 17085, 18105, 23115, 23785, 24495, 26197, 27761, 71355, 78591, 80869, 83283, 109411, 130985, 138805, 242607, 328233, 392955, 404345, 416415, 547055, 1213035, 1641165, 1859987, 5579961, 9299935, 27899805]

約数ペア:

[(1, 27899805), (3, 9299935), (5, 5579961), (15, 1859987), (17, 1641165), (23, 1213035), (51, 547055), (67, 416415), (69, 404345), (71, 392955), (85, 328233), (115, 242607), (201, 138805), (213, 130985), (255, 109411), (335, 83283), (345, 80869), (355, 78591), (391, 71355), (1005, 27761), (1065, 26197), (1139, 24495), (1173, 23785), (1207, 23115), (1541, 18105), (1633, 17085), (1955, 14271), (3417, 8165), (3621, 7705), (4623, 6035), (4757, 5865), (4899, 5695)]