28397655

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1509

約数の個数: 64

約数和(自身を含む): 59351040

約数和(自身を除く): 30953385

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1287, 1471, 1485, 1755, 2145, 3861, 4413, 6435, 7355, 13239, 16181, 19123, 19305, 22065, 39717, 48543, 57369, 66195, 80905, 95615, 145629, 172107, 198585, 210353, 242715, 286845, 436887, 516321, 631059, 728145, 860535, 1051765, 1893177, 2184435, 2581605, 3155295, 5679531, 9465885, 28397655]

約数ペア:

[(1, 28397655), (3, 9465885), (5, 5679531), (9, 3155295), (11, 2581605), (13, 2184435), (15, 1893177), (27, 1051765), (33, 860535), (39, 728145), (45, 631059), (55, 516321), (65, 436887), (99, 286845), (117, 242715), (135, 210353), (143, 198585), (165, 172107), (195, 145629), (297, 95615), (351, 80905), (429, 66195), (495, 57369), (585, 48543), (715, 39717), (1287, 22065), (1471, 19305), (1485, 19123), (1755, 16181), (2145, 13239), (3861, 7355), (4413, 6435)]