420199353

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 776096000

約数和(自身を除く): 355896647

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 157, 189, 289, 343, 357, 441, 459, 471, 833, 867, 1029, 1071, 1099, 1323, 1413, 2023, 2499, 2601, 2669, 3087, 3213, 3297, 4239, 5831, 6069, 7497, 7693, 7803, 8007, 9261, 9891, 14161, 17493, 18207, 18683, 22491, 23079, 24021, 29673, 42483, 45373, 52479, 53851, 54621, 56049, 69237, 72063, 99127, 127449, 130781, 136119, 157437, 161553, 168147, 207711, 297381, 317611, 382347, 392343, 408357, 484659, 504441, 892143, 915467, 952833, 1177029, 1225071, 1453977, 2223277, 2676429, 2746401, 2858499, 3531087, 6669831, 8239203, 8575497, 15562939, 20009493, 24717609, 46688817, 60028479, 140066451, 420199353]

約数ペア:

[(1, 420199353), (3, 140066451), (7, 60028479), (9, 46688817), (17, 24717609), (21, 20009493), (27, 15562939), (49, 8575497), (51, 8239203), (63, 6669831), (119, 3531087), (147, 2858499), (153, 2746401), (157, 2676429), (189, 2223277), (289, 1453977), (343, 1225071), (357, 1177029), (441, 952833), (459, 915467), (471, 892143), (833, 504441), (867, 484659), (1029, 408357), (1071, 392343), (1099, 382347), (1323, 317611), (1413, 297381), (2023, 207711), (2499, 168147), (2601, 161553), (2669, 157437), (3087, 136119), (3213, 130781), (3297, 127449), (4239, 99127), (5831, 72063), (6069, 69237), (7497, 56049), (7693, 54621), (7803, 53851), (8007, 52479), (9261, 45373), (9891, 42483), (14161, 29673), (17493, 24021), (18207, 23079), (18683, 22491)]