7916985

素因数分解:

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

素因数の和:238

約数の個数: 48

約数和(自身を含む): 14826240

約数和(自身を除く): 6909255

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 131, 153, 237, 255, 393, 395, 655, 711, 765, 1179, 1185, 1343, 1965, 2227, 3555, 4029, 5895, 6681, 6715, 10349, 11135, 12087, 20043, 20145, 31047, 33405, 51745, 60435, 93141, 100215, 155235, 175933, 465705, 527799, 879665, 1583397, 2638995, 7916985]

約数ペア:

[(1, 7916985), (3, 2638995), (5, 1583397), (9, 879665), (15, 527799), (17, 465705), (45, 175933), (51, 155235), (79, 100215), (85, 93141), (131, 60435), (153, 51745), (237, 33405), (255, 31047), (393, 20145), (395, 20043), (655, 12087), (711, 11135), (765, 10349), (1179, 6715), (1185, 6681), (1343, 5895), (1965, 4029), (2227, 3555)]