25124985

素因数分解:

$3^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 56

約数和(自身を含む): 46351944

約数和(自身を除く): 21226959

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 113, 135, 183, 243, 305, 339, 405, 549, 565, 729, 915, 1017, 1215, 1647, 1695, 2745, 3051, 3645, 4941, 5085, 6893, 8235, 9153, 14823, 15255, 20679, 24705, 27459, 34465, 44469, 45765, 62037, 74115, 82377, 103395, 137295, 186111, 222345, 310185, 411885, 558333, 930555, 1674999, 2791665, 5024997, 8374995, 25124985]

約数ペア:

[(1, 25124985), (3, 8374995), (5, 5024997), (9, 2791665), (15, 1674999), (27, 930555), (45, 558333), (61, 411885), (81, 310185), (113, 222345), (135, 186111), (183, 137295), (243, 103395), (305, 82377), (339, 74115), (405, 62037), (549, 45765), (565, 44469), (729, 34465), (915, 27459), (1017, 24705), (1215, 20679), (1647, 15255), (1695, 14823), (2745, 9153), (3051, 8235), (3645, 6893), (4941, 5085)]