72717561

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5419}}^1$

素因数の和:5506

約数の個数: 32

約数和(自身を含む): 124876800

約数和(自身を除く): 52159239

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 5419, 13419, 16257, 37933, 48771, 113799, 146313, 341397, 384749, 1024191, 1154247, 2693243, 3462741, 8079729, 10388223, 24239187, 72717561]

約数ペア:

[(1, 72717561), (3, 24239187), (7, 10388223), (9, 8079729), (21, 3462741), (27, 2693243), (63, 1154247), (71, 1024191), (189, 384749), (213, 341397), (497, 146313), (639, 113799), (1491, 48771), (1917, 37933), (4473, 16257), (5419, 13419)]