278771229

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 459950400

約数和(自身を除く): 181179171

約数列:

[1, 3, 9, 11, 29, 33, 87, 89, 99, 261, 267, 319, 801, 957, 979, 1091, 2581, 2871, 2937, 3273, 7743, 8811, 9819, 12001, 23229, 28391, 31639, 36003, 85173, 94917, 97099, 108009, 255519, 284751, 291297, 348029, 873891, 1044087, 1068089, 2815871, 3132261, 3204267, 8447613, 9612801, 25342839, 30974581, 92923743, 278771229]

約数ペア:

[(1, 278771229), (3, 92923743), (9, 30974581), (11, 25342839), (29, 9612801), (33, 8447613), (87, 3204267), (89, 3132261), (99, 2815871), (261, 1068089), (267, 1044087), (319, 873891), (801, 348029), (957, 291297), (979, 284751), (1091, 255519), (2581, 108009), (2871, 97099), (2937, 94917), (3273, 85173), (7743, 36003), (8811, 31639), (9819, 28391), (12001, 23229)]