28210545

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{157}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 55514880

約数和(自身を除く): 27304335

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 157, 165, 297, 363, 471, 495, 605, 785, 1089, 1331, 1413, 1485, 1727, 1815, 2355, 3267, 3993, 4239, 5181, 5445, 6655, 7065, 8635, 11979, 15543, 16335, 18997, 19965, 21195, 25905, 35937, 46629, 56991, 59895, 77715, 94985, 170973, 179685, 208967, 233145, 284955, 512919, 626901, 854865, 1044835, 1880703, 2564595, 3134505, 5642109, 9403515, 28210545]

約数ペア:

[(1, 28210545), (3, 9403515), (5, 5642109), (9, 3134505), (11, 2564595), (15, 1880703), (27, 1044835), (33, 854865), (45, 626901), (55, 512919), (99, 284955), (121, 233145), (135, 208967), (157, 179685), (165, 170973), (297, 94985), (363, 77715), (471, 59895), (495, 56991), (605, 46629), (785, 35937), (1089, 25905), (1331, 21195), (1413, 19965), (1485, 18997), (1727, 16335), (1815, 15543), (2355, 11979), (3267, 8635), (3993, 7065), (4239, 6655), (5181, 5445)]