388332009

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 648345600

約数和(自身を除く): 260013591

約数列:

[1, 3, 9, 13, 27, 31, 39, 89, 93, 117, 267, 279, 351, 401, 403, 801, 837, 1157, 1203, 1209, 2403, 2759, 3471, 3609, 3627, 5213, 8277, 10413, 10827, 10881, 12431, 15639, 24831, 31239, 35689, 35867, 37293, 46917, 74493, 107067, 107601, 111879, 140751, 161603, 321201, 322803, 335637, 463957, 484809, 963603, 968409, 1106359, 1391871, 1454427, 3319077, 4175613, 4363281, 9957231, 12526839, 14382667, 29871693, 43148001, 129444003, 388332009]

約数ペア:

[(1, 388332009), (3, 129444003), (9, 43148001), (13, 29871693), (27, 14382667), (31, 12526839), (39, 9957231), (89, 4363281), (93, 4175613), (117, 3319077), (267, 1454427), (279, 1391871), (351, 1106359), (401, 968409), (403, 963603), (801, 484809), (837, 463957), (1157, 335637), (1203, 322803), (1209, 321201), (2403, 161603), (2759, 140751), (3471, 111879), (3609, 107601), (3627, 107067), (5213, 74493), (8277, 46917), (10413, 37293), (10827, 35867), (10881, 35689), (12431, 31239), (15639, 24831)]