28801089

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 46038720

約数和(自身を除く): 17237631

約数列:

[1, 3, 9, 27, 29, 61, 67, 81, 87, 183, 201, 243, 261, 549, 603, 783, 1647, 1769, 1809, 1943, 2349, 4087, 4941, 5307, 5427, 5829, 7047, 12261, 14823, 15921, 16281, 17487, 36783, 47763, 52461, 110349, 118523, 143289, 157383, 331047, 355569, 429867, 472149, 993141, 1066707, 3200121, 9600363, 28801089]

約数ペア:

[(1, 28801089), (3, 9600363), (9, 3200121), (27, 1066707), (29, 993141), (61, 472149), (67, 429867), (81, 355569), (87, 331047), (183, 157383), (201, 143289), (243, 118523), (261, 110349), (549, 52461), (603, 47763), (783, 36783), (1647, 17487), (1769, 16281), (1809, 15921), (1943, 14823), (2349, 12261), (4087, 7047), (4941, 5829), (5307, 5427)]