219090906

素因数分解:

$2^1\times 3^4\times {\mathrm{509}}^1\times {\mathrm{2657}}^1$

素因数の和:3180

約数の個数: 40

約数和(自身を含む): 492075540

約数和(自身を除く): 272984634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 509, 1018, 1527, 2657, 3054, 4581, 5314, 7971, 9162, 13743, 15942, 23913, 27486, 41229, 47826, 71739, 82458, 143478, 215217, 430434, 1352413, 2704826, 4057239, 8114478, 12171717, 24343434, 36515151, 73030302, 109545453, 219090906]

約数ペア:

[(1, 219090906), (2, 109545453), (3, 73030302), (6, 36515151), (9, 24343434), (18, 12171717), (27, 8114478), (54, 4057239), (81, 2704826), (162, 1352413), (509, 430434), (1018, 215217), (1527, 143478), (2657, 82458), (3054, 71739), (4581, 47826), (5314, 41229), (7971, 27486), (9162, 23913), (13743, 15942)]