13194975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 23569920

約数和(自身を除く): 10374945

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 79, 85, 131, 237, 255, 393, 395, 425, 655, 1185, 1275, 1343, 1965, 1975, 2227, 3275, 4029, 5925, 6681, 6715, 9825, 10349, 11135, 20145, 31047, 33405, 33575, 51745, 55675, 100725, 155235, 167025, 175933, 258725, 527799, 776175, 879665, 2638995, 4398325, 13194975]

約数ペア:

[(1, 13194975), (3, 4398325), (5, 2638995), (15, 879665), (17, 776175), (25, 527799), (51, 258725), (75, 175933), (79, 167025), (85, 155235), (131, 100725), (237, 55675), (255, 51745), (393, 33575), (395, 33405), (425, 31047), (655, 20145), (1185, 11135), (1275, 10349), (1343, 9825), (1965, 6715), (1975, 6681), (2227, 5925), (3275, 4029)]