9978889347

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1331051}}^1$

素因数の和:1331088

約数の個数: 36

約数和(自身を含む): 17753571576

約数和(自身を除く): 7774682229

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 1331051, 3993153, 9317357, 11979459, 22627867, 27952071, 65221499, 67883601, 83856213, 158395069, 195664497, 203650803, 475185207, 586993491, 1108765483, 1425555621, 3326296449, 9978889347]

約数ペア:

[(1, 9978889347), (3, 3326296449), (7, 1425555621), (9, 1108765483), (17, 586993491), (21, 475185207), (49, 203650803), (51, 195664497), (63, 158395069), (119, 83856213), (147, 67883601), (153, 65221499), (357, 27952071), (441, 22627867), (833, 11979459), (1071, 9317357), (2499, 3993153), (7497, 1331051)]