87971877

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 151632000

約数和(自身を除く): 63660123

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 179, 203, 261, 269, 537, 609, 807, 1253, 1611, 1827, 1883, 2421, 3759, 5191, 5649, 7801, 11277, 15573, 16947, 23403, 36337, 46719, 48151, 54607, 70209, 109011, 144453, 163821, 327033, 337057, 433359, 491463, 1011171, 1396379, 3033513, 4189137, 9774653, 12567411, 29323959, 87971877]

約数ペア:

[(1, 87971877), (3, 29323959), (7, 12567411), (9, 9774653), (21, 4189137), (29, 3033513), (63, 1396379), (87, 1011171), (179, 491463), (203, 433359), (261, 337057), (269, 327033), (537, 163821), (609, 144453), (807, 109011), (1253, 70209), (1611, 54607), (1827, 48151), (1883, 46719), (2421, 36337), (3759, 23403), (5191, 16947), (5649, 15573), (7801, 11277)]