16791957

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 31744440

約数和(自身を除く): 14952483

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 49, 63, 87, 91, 101, 117, 147, 203, 261, 273, 303, 377, 441, 609, 637, 707, 819, 909, 1131, 1313, 1421, 1827, 1911, 2121, 2639, 2929, 3393, 3939, 4263, 4949, 5733, 6363, 7917, 8787, 9191, 11817, 12789, 14847, 18473, 20503, 23751, 26361, 27573, 38077, 44541, 55419, 61509, 64337, 82719, 114231, 143521, 166257, 184527, 193011, 266539, 342693, 430563, 579033, 799617, 1291689, 1865773, 2398851, 5597319, 16791957]

約数ペア:

[(1, 16791957), (3, 5597319), (7, 2398851), (9, 1865773), (13, 1291689), (21, 799617), (29, 579033), (39, 430563), (49, 342693), (63, 266539), (87, 193011), (91, 184527), (101, 166257), (117, 143521), (147, 114231), (203, 82719), (261, 64337), (273, 61509), (303, 55419), (377, 44541), (441, 38077), (609, 27573), (637, 26361), (707, 23751), (819, 20503), (909, 18473), (1131, 14847), (1313, 12789), (1421, 11817), (1827, 9191), (1911, 8787), (2121, 7917), (2639, 6363), (2929, 5733), (3393, 4949), (3939, 4263)]