298956987

素因数分解:

$3^4\times 7^2\times {\mathrm{75323}}^1$

素因数の和:75349

約数の個数: 30

約数和(自身を含む): 519509628

約数和(自身を除く): 220552641

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 75323, 225969, 527261, 677907, 1581783, 2033721, 3690827, 4745349, 6101163, 11072481, 14236047, 33217443, 42708141, 99652329, 298956987]

約数ペア:

[(1, 298956987), (3, 99652329), (7, 42708141), (9, 33217443), (21, 14236047), (27, 11072481), (49, 6101163), (63, 4745349), (81, 3690827), (147, 2033721), (189, 1581783), (441, 677907), (567, 527261), (1323, 225969), (3969, 75323)]