1247805

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 2446080

約数和(自身を除く): 1198275

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 79, 81, 117, 135, 195, 237, 243, 351, 395, 405, 585, 711, 1027, 1053, 1185, 1215, 1755, 2133, 3081, 3159, 3555, 5135, 5265, 6399, 9243, 10665, 15405, 15795, 19197, 27729, 31995, 46215, 83187, 95985, 138645, 249561, 415935, 1247805]

約数ペア:

[(1, 1247805), (3, 415935), (5, 249561), (9, 138645), (13, 95985), (15, 83187), (27, 46215), (39, 31995), (45, 27729), (65, 19197), (79, 15795), (81, 15405), (117, 10665), (135, 9243), (195, 6399), (237, 5265), (243, 5135), (351, 3555), (395, 3159), (405, 3081), (585, 2133), (711, 1755), (1027, 1215), (1053, 1185)]