157397121

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 286156800

約数和(自身を除く): 128759679

約数列:

[1, 3, 7, 9, 19, 21, 27, 53, 57, 63, 133, 159, 171, 189, 371, 399, 477, 513, 827, 1007, 1113, 1197, 1431, 2481, 3021, 3339, 3591, 5789, 7049, 7443, 9063, 10017, 15713, 17367, 21147, 22329, 27189, 43831, 47139, 52101, 63441, 109991, 131493, 141417, 156303, 190323, 306817, 329973, 394479, 424251, 832789, 920451, 989919, 1183437, 2498367, 2761353, 2969757, 5829523, 7495101, 8284059, 17488569, 22485303, 52465707, 157397121]

約数ペア:

[(1, 157397121), (3, 52465707), (7, 22485303), (9, 17488569), (19, 8284059), (21, 7495101), (27, 5829523), (53, 2969757), (57, 2761353), (63, 2498367), (133, 1183437), (159, 989919), (171, 920451), (189, 832789), (371, 424251), (399, 394479), (477, 329973), (513, 306817), (827, 190323), (1007, 156303), (1113, 141417), (1197, 131493), (1431, 109991), (2481, 63441), (3021, 52101), (3339, 47139), (3591, 43831), (5789, 27189), (7049, 22329), (7443, 21147), (9063, 17367), (10017, 15713)]