28454985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 53673984

約数和(自身を除く): 25218999

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 127, 195, 381, 383, 585, 635, 1143, 1149, 1651, 1905, 1915, 3447, 4953, 4979, 5715, 5745, 8255, 14859, 14937, 17235, 24765, 24895, 44811, 48641, 74295, 74685, 145923, 224055, 243205, 437769, 632333, 729615, 1896999, 2188845, 3161665, 5690997, 9484995, 28454985]

約数ペア:

[(1, 28454985), (3, 9484995), (5, 5690997), (9, 3161665), (13, 2188845), (15, 1896999), (39, 729615), (45, 632333), (65, 437769), (117, 243205), (127, 224055), (195, 145923), (381, 74685), (383, 74295), (585, 48641), (635, 44811), (1143, 24895), (1149, 24765), (1651, 17235), (1905, 14937), (1915, 14859), (3447, 8255), (4953, 5745), (4979, 5715)]