2005379721

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{4817}}^1$

素因数の和:5750

約数の個数: 32

約数和(自身を含む): 3149815680

約数和(自身を除く): 1144435959

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 907, 2721, 4817, 8163, 14451, 15419, 24489, 43353, 46257, 81889, 130059, 138771, 245667, 416313, 737001, 2211003, 4369019, 13107057, 39321171, 74273323, 117963513, 222819969, 668459907, 2005379721]

約数ペア:

[(1, 2005379721), (3, 668459907), (9, 222819969), (17, 117963513), (27, 74273323), (51, 39321171), (153, 13107057), (459, 4369019), (907, 2211003), (2721, 737001), (4817, 416313), (8163, 245667), (14451, 138771), (15419, 130059), (24489, 81889), (43353, 46257)]