20173296591

素因数分解:

$3^3\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{86287}}^1$

素因数の和:87540

約数の個数: 32

約数和(自身を含む): 34183854080

約数和(自身を除く): 14010557489

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1237, 3711, 8659, 11133, 25977, 33399, 77931, 86287, 233793, 258861, 604009, 776583, 1812027, 2329749, 5436081, 16308243, 106737019, 320211057, 747159133, 960633171, 2241477399, 2881899513, 6724432197, 20173296591]

約数ペア:

[(1, 20173296591), (3, 6724432197), (7, 2881899513), (9, 2241477399), (21, 960633171), (27, 747159133), (63, 320211057), (189, 106737019), (1237, 16308243), (3711, 5436081), (8659, 2329749), (11133, 1812027), (25977, 776583), (33399, 604009), (77931, 258861), (86287, 233793)]