27728955

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 51745824

約数和(自身を除く): 24016869

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 67, 85, 153, 201, 255, 335, 541, 603, 765, 1005, 1139, 1623, 2705, 3015, 3417, 4869, 5695, 8115, 9197, 10251, 17085, 24345, 27591, 36247, 45985, 51255, 82773, 108741, 137955, 181235, 326223, 413865, 543705, 616199, 1631115, 1848597, 3080995, 5545791, 9242985, 27728955]

約数ペア:

[(1, 27728955), (3, 9242985), (5, 5545791), (9, 3080995), (15, 1848597), (17, 1631115), (45, 616199), (51, 543705), (67, 413865), (85, 326223), (153, 181235), (201, 137955), (255, 108741), (335, 82773), (541, 51255), (603, 45985), (765, 36247), (1005, 27591), (1139, 24345), (1623, 17085), (2705, 10251), (3015, 9197), (3417, 8115), (4869, 5695)]