16276221

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 27900180

約数和(自身を除く): 11623959

約数列:

[1, 3, 9, 13, 27, 29, 39, 41, 81, 87, 117, 123, 169, 261, 351, 369, 377, 507, 533, 783, 1053, 1107, 1131, 1189, 1521, 1599, 2349, 3321, 3393, 3567, 4563, 4797, 4901, 6929, 10179, 10701, 13689, 14391, 14703, 15457, 20787, 30537, 32103, 43173, 44109, 46371, 62361, 96309, 132327, 139113, 187083, 200941, 396981, 417339, 561249, 602823, 1252017, 1808469, 5425407, 16276221]

約数ペア:

[(1, 16276221), (3, 5425407), (9, 1808469), (13, 1252017), (27, 602823), (29, 561249), (39, 417339), (41, 396981), (81, 200941), (87, 187083), (117, 139113), (123, 132327), (169, 96309), (261, 62361), (351, 46371), (369, 44109), (377, 43173), (507, 32103), (533, 30537), (783, 20787), (1053, 15457), (1107, 14703), (1131, 14391), (1189, 13689), (1521, 10701), (1599, 10179), (2349, 6929), (3321, 4901), (3393, 4797), (3567, 4563)]