72207639

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5381}}^1$

素因数の和:5468

約数の個数: 32

約数和(自身を含む): 124001280

約数和(自身を除く): 51793641

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 5381, 13419, 16143, 37667, 48429, 113001, 145287, 339003, 382051, 1017009, 1146153, 2674357, 3438459, 8023071, 10315377, 24069213, 72207639]

約数ペア:

[(1, 72207639), (3, 24069213), (7, 10315377), (9, 8023071), (21, 3438459), (27, 2674357), (63, 1146153), (71, 1017009), (189, 382051), (213, 339003), (497, 145287), (639, 113001), (1491, 48429), (1917, 37667), (4473, 16143), (5381, 13419)]