199987199997

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4451}}^1$

素因数の和:4911

約数の個数: 64

約数和(自身を含む): 306683677440

約数和(自身を除く): 106696477443

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 401, 507, 663, 1203, 2197, 2873, 4451, 5213, 6591, 6817, 8619, 13353, 15639, 20451, 37349, 57863, 67769, 75667, 88621, 112047, 173589, 203307, 227001, 265863, 752219, 880997, 983671, 1152073, 1784851, 2256657, 2642991, 2951013, 3456219, 5354553, 9778847, 12787723, 14976949, 23203063, 29336541, 30342467, 38363169, 44930847, 69609189, 91027401, 166240399, 301639819, 394452071, 498721197, 904919457, 1183356213, 3921317647, 5127876923, 11763952941, 15383630769, 66662399999, 199987199997]

約数ペア:

[(1, 199987199997), (3, 66662399999), (13, 15383630769), (17, 11763952941), (39, 5127876923), (51, 3921317647), (169, 1183356213), (221, 904919457), (401, 498721197), (507, 394452071), (663, 301639819), (1203, 166240399), (2197, 91027401), (2873, 69609189), (4451, 44930847), (5213, 38363169), (6591, 30342467), (6817, 29336541), (8619, 23203063), (13353, 14976949), (15639, 12787723), (20451, 9778847), (37349, 5354553), (57863, 3456219), (67769, 2951013), (75667, 2642991), (88621, 2256657), (112047, 1784851), (173589, 1152073), (203307, 983671), (227001, 880997), (265863, 752219)]