1520781345

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 2762035200

約数和(自身を除く): 1241253855

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 431, 443, 531, 885, 1293, 1329, 1593, 2155, 2215, 2655, 3879, 3987, 6465, 6645, 7965, 11637, 11961, 19395, 19935, 25429, 26137, 58185, 59805, 76287, 78411, 127145, 130685, 190933, 228861, 235233, 381435, 392055, 572799, 686583, 705699, 954665, 1144305, 1176165, 1718397, 2863995, 3432915, 3528495, 5155191, 8591985, 11265047, 25775955, 33795141, 56325235, 101385423, 168975705, 304156269, 506927115, 1520781345]

約数ペア:

[(1, 1520781345), (3, 506927115), (5, 304156269), (9, 168975705), (15, 101385423), (27, 56325235), (45, 33795141), (59, 25775955), (135, 11265047), (177, 8591985), (295, 5155191), (431, 3528495), (443, 3432915), (531, 2863995), (885, 1718397), (1293, 1176165), (1329, 1144305), (1593, 954665), (2155, 705699), (2215, 686583), (2655, 572799), (3879, 392055), (3987, 381435), (6465, 235233), (6645, 228861), (7965, 190933), (11637, 130685), (11961, 127145), (19395, 78411), (19935, 76287), (25429, 59805), (26137, 58185)]