3989874

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 9537696

約数和(自身を除く): 5547822

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 49, 82, 98, 123, 147, 246, 287, 294, 331, 574, 662, 861, 993, 1722, 1986, 2009, 2317, 4018, 4634, 6027, 6951, 12054, 13571, 13902, 16219, 27142, 32438, 40713, 48657, 81426, 94997, 97314, 189994, 284991, 569982, 664979, 1329958, 1994937, 3989874]

約数ペア:

[(1, 3989874), (2, 1994937), (3, 1329958), (6, 664979), (7, 569982), (14, 284991), (21, 189994), (41, 97314), (42, 94997), (49, 81426), (82, 48657), (98, 40713), (123, 32438), (147, 27142), (246, 16219), (287, 13902), (294, 13571), (331, 12054), (574, 6951), (662, 6027), (861, 4634), (993, 4018), (1722, 2317), (1986, 2009)]