3997998

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 80

約数和(自身を含む): 9931680

約数和(自身を除く): 5933682

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 37, 46, 54, 58, 69, 74, 81, 87, 111, 138, 162, 174, 207, 222, 261, 333, 414, 522, 621, 666, 667, 783, 851, 999, 1073, 1242, 1334, 1566, 1702, 1863, 1998, 2001, 2146, 2349, 2553, 2997, 3219, 3726, 4002, 4698, 5106, 5994, 6003, 6438, 7659, 9657, 12006, 15318, 18009, 19314, 22977, 24679, 28971, 36018, 45954, 49358, 54027, 57942, 68931, 74037, 86913, 108054, 137862, 148074, 173826, 222111, 444222, 666333, 1332666, 1998999, 3997998]

約数ペア:

[(1, 3997998), (2, 1998999), (3, 1332666), (6, 666333), (9, 444222), (18, 222111), (23, 173826), (27, 148074), (29, 137862), (37, 108054), (46, 86913), (54, 74037), (58, 68931), (69, 57942), (74, 54027), (81, 49358), (87, 45954), (111, 36018), (138, 28971), (162, 24679), (174, 22977), (207, 19314), (222, 18009), (261, 15318), (333, 12006), (414, 9657), (522, 7659), (621, 6438), (666, 6003), (667, 5994), (783, 5106), (851, 4698), (999, 4002), (1073, 3726), (1242, 3219), (1334, 2997), (1566, 2553), (1702, 2349), (1863, 2146), (1998, 2001)]