72872457

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 117899712

約数和(自身を除く): 45027255

約数列:

[1, 3, 7, 21, 41, 49, 107, 113, 123, 147, 287, 321, 339, 749, 791, 861, 2009, 2247, 2373, 4387, 4633, 5243, 5537, 6027, 12091, 13161, 13899, 15729, 16611, 30709, 32431, 36273, 84637, 92127, 97293, 214963, 227017, 253911, 495731, 592459, 644889, 681051, 1487193, 1777377, 3470117, 10410351, 24290819, 72872457]

約数ペア:

[(1, 72872457), (3, 24290819), (7, 10410351), (21, 3470117), (41, 1777377), (49, 1487193), (107, 681051), (113, 644889), (123, 592459), (147, 495731), (287, 253911), (321, 227017), (339, 214963), (749, 97293), (791, 92127), (861, 84637), (2009, 36273), (2247, 32431), (2373, 30709), (4387, 16611), (4633, 15729), (5243, 13899), (5537, 13161), (6027, 12091)]