7921089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 13478400

約数和(自身を除く): 5557311

約数列:

[1, 3, 9, 11, 29, 31, 33, 87, 89, 93, 99, 261, 267, 279, 319, 341, 801, 899, 957, 979, 1023, 2581, 2697, 2759, 2871, 2937, 3069, 7743, 8091, 8277, 8811, 9889, 23229, 24831, 28391, 29667, 30349, 80011, 85173, 89001, 91047, 240033, 255519, 273141, 720099, 880121, 2640363, 7921089]

約数ペア:

[(1, 7921089), (3, 2640363), (9, 880121), (11, 720099), (29, 273141), (31, 255519), (33, 240033), (87, 91047), (89, 89001), (93, 85173), (99, 80011), (261, 30349), (267, 29667), (279, 28391), (319, 24831), (341, 23229), (801, 9889), (899, 8811), (957, 8277), (979, 8091), (1023, 7743), (2581, 3069), (2697, 2937), (2759, 2871)]