2173878

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 64

約数和(自身を含む): 5667840

約数和(自身を除く): 3493962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 243, 378, 426, 486, 497, 567, 639, 729, 994, 1134, 1278, 1458, 1491, 1701, 1917, 2187, 2982, 3402, 3834, 4374, 4473, 5103, 5751, 8946, 10206, 11502, 13419, 15309, 17253, 26838, 30618, 34506, 40257, 51759, 80514, 103518, 120771, 155277, 241542, 310554, 362313, 724626, 1086939, 2173878]

約数ペア:

[(1, 2173878), (2, 1086939), (3, 724626), (6, 362313), (7, 310554), (9, 241542), (14, 155277), (18, 120771), (21, 103518), (27, 80514), (42, 51759), (54, 40257), (63, 34506), (71, 30618), (81, 26838), (126, 17253), (142, 15309), (162, 13419), (189, 11502), (213, 10206), (243, 8946), (378, 5751), (426, 5103), (486, 4473), (497, 4374), (567, 3834), (639, 3402), (729, 2982), (994, 2187), (1134, 1917), (1278, 1701), (1458, 1491)]