28646163

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24576237

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 89, 91, 117, 131, 189, 267, 273, 351, 393, 623, 801, 819, 917, 1157, 1179, 1703, 1869, 2403, 2457, 2751, 3471, 3537, 5109, 5607, 8099, 8253, 10413, 11659, 11921, 15327, 16821, 24297, 24759, 31239, 34977, 35763, 45981, 72891, 81613, 104931, 107289, 151567, 218673, 244839, 314793, 321867, 454701, 734517, 1060969, 1364103, 2203551, 3182907, 4092309, 9548721, 28646163]

約数ペア:

[(1, 28646163), (3, 9548721), (7, 4092309), (9, 3182907), (13, 2203551), (21, 1364103), (27, 1060969), (39, 734517), (63, 454701), (89, 321867), (91, 314793), (117, 244839), (131, 218673), (189, 151567), (267, 107289), (273, 104931), (351, 81613), (393, 72891), (623, 45981), (801, 35763), (819, 34977), (917, 31239), (1157, 24759), (1179, 24297), (1703, 16821), (1869, 15327), (2403, 11921), (2457, 11659), (2751, 10413), (3471, 8253), (3537, 8099), (5109, 5607)]