72007947

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 123934720

約数和(自身を除く): 51926773

約数列:

[1, 3, 9, 11, 27, 31, 33, 79, 81, 93, 99, 121, 237, 243, 279, 297, 341, 363, 711, 837, 869, 891, 1023, 1089, 2133, 2449, 2511, 2607, 2673, 3069, 3267, 3751, 6399, 7347, 7533, 7821, 9207, 9559, 9801, 11253, 19197, 22041, 23463, 26939, 27621, 28677, 29403, 33759, 66123, 70389, 80817, 82863, 86031, 101277, 198369, 211167, 242451, 258093, 296329, 303831, 595107, 727353, 774279, 888987, 911493, 2182059, 2322837, 2666961, 6546177, 8000883, 24002649, 72007947]

約数ペア:

[(1, 72007947), (3, 24002649), (9, 8000883), (11, 6546177), (27, 2666961), (31, 2322837), (33, 2182059), (79, 911493), (81, 888987), (93, 774279), (99, 727353), (121, 595107), (237, 303831), (243, 296329), (279, 258093), (297, 242451), (341, 211167), (363, 198369), (711, 101277), (837, 86031), (869, 82863), (891, 80817), (1023, 70389), (1089, 66123), (2133, 33759), (2449, 29403), (2511, 28677), (2607, 27621), (2673, 26939), (3069, 23463), (3267, 22041), (3751, 19197), (6399, 11253), (7347, 9801), (7533, 9559), (7821, 9207)]