78143121

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 135782400

約数和(自身を除く): 57639279

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 199, 207, 271, 483, 597, 813, 1393, 1449, 1791, 1897, 2439, 4179, 4577, 5691, 6233, 12537, 13731, 17073, 18699, 32039, 41193, 43631, 53929, 56097, 96117, 130893, 161787, 288351, 377503, 392679, 485361, 1132509, 1240367, 3397527, 3721101, 8682569, 11163303, 26047707, 78143121]

約数ペア:

[(1, 78143121), (3, 26047707), (7, 11163303), (9, 8682569), (21, 3721101), (23, 3397527), (63, 1240367), (69, 1132509), (161, 485361), (199, 392679), (207, 377503), (271, 288351), (483, 161787), (597, 130893), (813, 96117), (1393, 56097), (1449, 53929), (1791, 43631), (1897, 41193), (2439, 32039), (4179, 18699), (4577, 17073), (5691, 13731), (6233, 12537)]