81839016

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23197}}^1$

素因数の和:23223

約数の個数: 72

約数和(自身を含む): 257845770

約数和(自身を除く): 176006754

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, 23197, 46394, 69591, 92788, 139182, 162379, 185576, 208773, 278364, 324758, 417546, 487137, 556728, 649516, 835092, 974274, 1136653, 1299032, 1461411, 1670184, 1948548, 2273306, 2922822, 3409959, 3897096, 4546612, 5845644, 6819918, 9093224, 10229877, 11691288, 13639836, 20459754, 27279672, 40919508, 81839016]

約数ペア:

[(1, 81839016), (2, 40919508), (3, 27279672), (4, 20459754), (6, 13639836), (7, 11691288), (8, 10229877), (9, 9093224), (12, 6819918), (14, 5845644), (18, 4546612), (21, 3897096), (24, 3409959), (28, 2922822), (36, 2273306), (42, 1948548), (49, 1670184), (56, 1461411), (63, 1299032), (72, 1136653), (84, 974274), (98, 835092), (126, 649516), (147, 556728), (168, 487137), (196, 417546), (252, 324758), (294, 278364), (392, 208773), (441, 185576), (504, 162379), (588, 139182), (882, 92788), (1176, 69591), (1764, 46394), (3528, 23197)]