216972693

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 374449920

約数和(自身を除く): 157477227

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 103, 203, 261, 309, 609, 721, 927, 1153, 1827, 2163, 2987, 3459, 6489, 8071, 8961, 10377, 20909, 24213, 26883, 33437, 62727, 72639, 100311, 118759, 188181, 234059, 300933, 356277, 702177, 831313, 1068831, 2106531, 2493939, 3444011, 7481817, 10332033, 24108077, 30996099, 72324231, 216972693]

約数ペア:

[(1, 216972693), (3, 72324231), (7, 30996099), (9, 24108077), (21, 10332033), (29, 7481817), (63, 3444011), (87, 2493939), (103, 2106531), (203, 1068831), (261, 831313), (309, 702177), (609, 356277), (721, 300933), (927, 234059), (1153, 188181), (1827, 118759), (2163, 100311), (2987, 72639), (3459, 62727), (6489, 33437), (8071, 26883), (8961, 24213), (10377, 20909)]