26988129

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 20815263

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 113, 119, 153, 223, 339, 357, 669, 791, 1017, 1071, 1561, 1921, 2007, 2373, 3791, 4683, 5763, 7119, 11373, 13447, 14049, 17289, 25199, 26537, 34119, 40341, 75597, 79611, 121023, 176393, 226791, 238833, 428383, 529179, 1285149, 1587537, 2998681, 3855447, 8996043, 26988129]

約数ペア:

[(1, 26988129), (3, 8996043), (7, 3855447), (9, 2998681), (17, 1587537), (21, 1285149), (51, 529179), (63, 428383), (113, 238833), (119, 226791), (153, 176393), (223, 121023), (339, 79611), (357, 75597), (669, 40341), (791, 34119), (1017, 26537), (1071, 25199), (1561, 17289), (1921, 14049), (2007, 13447), (2373, 11373), (3791, 7119), (4683, 5763)]