28889133

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 21914067

約数列:

[1, 3, 7, 13, 21, 29, 39, 41, 87, 89, 91, 123, 203, 267, 273, 287, 377, 533, 609, 623, 861, 1131, 1157, 1189, 1599, 1869, 2581, 2639, 3471, 3567, 3649, 3731, 7743, 7917, 8099, 8323, 10947, 11193, 15457, 18067, 24297, 24969, 25543, 33553, 46371, 47437, 54201, 76629, 100659, 105821, 108199, 142311, 234871, 317463, 324597, 332059, 704613, 740747, 996177, 1375673, 2222241, 4127019, 9629711, 28889133]

約数ペア:

[(1, 28889133), (3, 9629711), (7, 4127019), (13, 2222241), (21, 1375673), (29, 996177), (39, 740747), (41, 704613), (87, 332059), (89, 324597), (91, 317463), (123, 234871), (203, 142311), (267, 108199), (273, 105821), (287, 100659), (377, 76629), (533, 54201), (609, 47437), (623, 46371), (861, 33553), (1131, 25543), (1157, 24969), (1189, 24297), (1599, 18067), (1869, 15457), (2581, 11193), (2639, 10947), (3471, 8323), (3567, 8099), (3649, 7917), (3731, 7743)]