71911827

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 124185600

約数和(自身を除く): 52273773

約数列:

[1, 3, 9, 13, 19, 27, 39, 41, 57, 117, 123, 171, 247, 263, 351, 369, 513, 533, 741, 779, 789, 1107, 1599, 2223, 2337, 2367, 3419, 4797, 4997, 6669, 7011, 7101, 10127, 10257, 10783, 14391, 14991, 21033, 30381, 30771, 32349, 44973, 64961, 91143, 92313, 97047, 134919, 140179, 194883, 204877, 273429, 291141, 420537, 584649, 614631, 1261611, 1753947, 1843893, 2663401, 3784833, 5531679, 7990203, 23970609, 71911827]

約数ペア:

[(1, 71911827), (3, 23970609), (9, 7990203), (13, 5531679), (19, 3784833), (27, 2663401), (39, 1843893), (41, 1753947), (57, 1261611), (117, 614631), (123, 584649), (171, 420537), (247, 291141), (263, 273429), (351, 204877), (369, 194883), (513, 140179), (533, 134919), (741, 97047), (779, 92313), (789, 91143), (1107, 64961), (1599, 44973), (2223, 32349), (2337, 30771), (2367, 30381), (3419, 21033), (4797, 14991), (4997, 14391), (6669, 10783), (7011, 10257), (7101, 10127)]