2947200039

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{761}}^1$

素因数の和:1469

約数の個数: 64

約数和(自身を含む): 5165506560

約数和(自身を除く): 2218306521

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 661, 761, 837, 1953, 1983, 2283, 4627, 5327, 5859, 5949, 6849, 13881, 15981, 17847, 20491, 20547, 23591, 41643, 47943, 61473, 70773, 124929, 143437, 143829, 165137, 184419, 212319, 430311, 495411, 503021, 553257, 636957, 1290933, 1486233, 1509063, 3521147, 3872799, 4458699, 4527189, 10563441, 13581567, 15593651, 31690323, 46780953, 95070969, 109155557, 140342859, 327466671, 421028577, 982400013, 2947200039]

約数ペア:

[(1, 2947200039), (3, 982400013), (7, 421028577), (9, 327466671), (21, 140342859), (27, 109155557), (31, 95070969), (63, 46780953), (93, 31690323), (189, 15593651), (217, 13581567), (279, 10563441), (651, 4527189), (661, 4458699), (761, 3872799), (837, 3521147), (1953, 1509063), (1983, 1486233), (2283, 1290933), (4627, 636957), (5327, 553257), (5859, 503021), (5949, 495411), (6849, 430311), (13881, 212319), (15981, 184419), (17847, 165137), (20491, 143829), (20547, 143437), (23591, 124929), (41643, 70773), (47943, 61473)]