81006408

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{22961}}^1$

素因数の和:22987

約数の個数: 72

約数和(自身を含む): 255222630

約数和(自身を除く): 174216222

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 22961, 45922, 68883, 91844, 137766, 160727, 183688, 206649, 275532, 321454, 413298, 482181, 551064, 642908, 826596, 964362, 1125089, 1285816, 1446543, 1653192, 1928724, 2250178, 2893086, 3375267, 3857448, 4500356, 5786172, 6750534, 9000712, 10125801, 11572344, 13501068, 20251602, 27002136, 40503204, 81006408]

約数ペア:

[(1, 81006408), (2, 40503204), (3, 27002136), (4, 20251602), (6, 13501068), (7, 11572344), (8, 10125801), (9, 9000712), (12, 6750534), (14, 5786172), (18, 4500356), (21, 3857448), (24, 3375267), (28, 2893086), (36, 2250178), (42, 1928724), (49, 1653192), (56, 1446543), (63, 1285816), (72, 1125089), (84, 964362), (98, 826596), (126, 642908), (147, 551064), (168, 482181), (196, 413298), (252, 321454), (294, 275532), (392, 206649), (441, 183688), (504, 160727), (588, 137766), (882, 91844), (1176, 68883), (1764, 45922), (3528, 22961)]