2478357

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 4472832

約数和(自身を除く): 1994475

約数列:

[1, 3, 7, 9, 21, 27, 31, 47, 63, 81, 93, 141, 189, 217, 243, 279, 329, 423, 567, 651, 837, 987, 1269, 1457, 1701, 1953, 2511, 2961, 3807, 4371, 5859, 7533, 8883, 10199, 11421, 13113, 17577, 26649, 30597, 39339, 52731, 79947, 91791, 118017, 275373, 354051, 826119, 2478357]

約数ペア:

[(1, 2478357), (3, 826119), (7, 354051), (9, 275373), (21, 118017), (27, 91791), (31, 79947), (47, 52731), (63, 39339), (81, 30597), (93, 26649), (141, 17577), (189, 13113), (217, 11421), (243, 10199), (279, 8883), (329, 7533), (423, 5859), (567, 4371), (651, 3807), (837, 2961), (987, 2511), (1269, 1953), (1457, 1701)]