2840445

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2550915

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 79, 85, 141, 153, 235, 237, 255, 395, 423, 705, 711, 765, 799, 1185, 1343, 2115, 2397, 3555, 3713, 3995, 4029, 6715, 7191, 11139, 11985, 12087, 18565, 20145, 33417, 35955, 55695, 60435, 63121, 167085, 189363, 315605, 568089, 946815, 2840445]

約数ペア:

[(1, 2840445), (3, 946815), (5, 568089), (9, 315605), (15, 189363), (17, 167085), (45, 63121), (47, 60435), (51, 55695), (79, 35955), (85, 33417), (141, 20145), (153, 18565), (235, 12087), (237, 11985), (255, 11139), (395, 7191), (423, 6715), (705, 4029), (711, 3995), (765, 3713), (799, 3555), (1185, 2397), (1343, 2115)]