15715245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 32094720

約数和(自身を除く): 16379475

約数列:

[1, 3, 5, 7, 13, 15, 21, 29, 35, 39, 65, 87, 91, 105, 145, 195, 203, 273, 377, 397, 435, 455, 609, 1015, 1131, 1191, 1365, 1885, 1985, 2639, 2779, 3045, 5161, 5655, 5955, 7917, 8337, 11513, 13195, 13895, 15483, 25805, 34539, 36127, 39585, 41685, 57565, 77415, 80591, 108381, 149669, 172695, 180635, 241773, 402955, 449007, 541905, 748345, 1047683, 1208865, 2245035, 3143049, 5238415, 15715245]

約数ペア:

[(1, 15715245), (3, 5238415), (5, 3143049), (7, 2245035), (13, 1208865), (15, 1047683), (21, 748345), (29, 541905), (35, 449007), (39, 402955), (65, 241773), (87, 180635), (91, 172695), (105, 149669), (145, 108381), (195, 80591), (203, 77415), (273, 57565), (377, 41685), (397, 39585), (435, 36127), (455, 34539), (609, 25805), (1015, 15483), (1131, 13895), (1191, 13195), (1365, 11513), (1885, 8337), (1985, 7917), (2639, 5955), (2779, 5655), (3045, 5161)]