81180165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 149299200

約数和(自身を除く): 68119035

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 59, 93, 155, 165, 177, 269, 295, 341, 465, 649, 807, 885, 1023, 1345, 1705, 1829, 1947, 2959, 3245, 4035, 5115, 5487, 8339, 8877, 9145, 9735, 14795, 15871, 20119, 25017, 27435, 41695, 44385, 47613, 60357, 79355, 91729, 100595, 125085, 174581, 238065, 275187, 301785, 458645, 492001, 523743, 872905, 1375935, 1476003, 2460005, 2618715, 5412011, 7380015, 16236033, 27060055, 81180165]

約数ペア:

[(1, 81180165), (3, 27060055), (5, 16236033), (11, 7380015), (15, 5412011), (31, 2618715), (33, 2460005), (55, 1476003), (59, 1375935), (93, 872905), (155, 523743), (165, 492001), (177, 458645), (269, 301785), (295, 275187), (341, 238065), (465, 174581), (649, 125085), (807, 100595), (885, 91729), (1023, 79355), (1345, 60357), (1705, 47613), (1829, 44385), (1947, 41695), (2959, 27435), (3245, 25017), (4035, 20119), (5115, 15871), (5487, 14795), (8339, 9735), (8877, 9145)]