28015713

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 18949023

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 223, 243, 297, 423, 517, 669, 891, 1269, 1551, 2007, 2453, 2673, 3807, 4653, 6021, 7359, 10481, 11421, 13959, 18063, 22077, 31443, 41877, 54189, 66231, 94329, 115291, 125631, 198693, 282987, 345873, 596079, 848961, 1037619, 2546883, 3112857, 9338571, 28015713]

約数ペア:

[(1, 28015713), (3, 9338571), (9, 3112857), (11, 2546883), (27, 1037619), (33, 848961), (47, 596079), (81, 345873), (99, 282987), (141, 198693), (223, 125631), (243, 115291), (297, 94329), (423, 66231), (517, 54189), (669, 41877), (891, 31443), (1269, 22077), (1551, 18063), (2007, 13959), (2453, 11421), (2673, 10481), (3807, 7359), (4653, 6021)]